BIOBIB Citations

1. L.P. Abrahamson, R.C. McKittrick, E.H. White, R.F. Kopp, and C.A. Nowak, "Successful no-till hybrid poplar establishment in New York," The Forestry Chronicle 68:218 (1992).

Keywords: no-till/ New York/ cultivation/ weed control/ poplars, hybrid/ herbicides/ erosion.

2. L.P. Abrahamson, E.H. White, C.A. Nowak, R.D. Briggs, and J.R. Robison, "Evaluating hybrid poplar clonal growth potential in a three-year-old genetic selection field trial," Biomass 21:101-114 (1990).

Keywords: poplars, hybrid/ genetic improvement/ clonal propagation/ cankers/ hardwoods/ poplars/ Septoria/ Cryptosphareia/ intensive culture/ multivariate analysis/ diseases/ glyphosate/ buffer strips/ insects.

3. A. Ager, P.E. Heilman, and R.F. Stettler, "Genetic variation in red alder (Alnus rubra) in relation to native climate and geography," Canadian Journal of Forestry Research 23:1930-1939 (1993).

Keywords: genetic variations/ alder, red/ Alnus rubra.

4. A. Ager, N.E. Nordh, S. Ledin, M.E. Ostry, M. Carlson, and A. Ronnberg-Wastljung, "International transfer of Alnus, Populus, and Salix," Biomass 22:49-62 (1990).

Keywords: biomass/ alders/ poplars/ willows/ agroforestry/ tree improvement/ genetic improvement.

5. O.A. Akinyemiju and D.I. Dickmann, "Contrasting effects of simazine on the photosynthetic physiology and leaf morphology of two Populus clones," Physiologia Plantarum 55:402-406 (1982).

Keywords: herbicides/ photosynthesis/ Populus/ morphology/ physiology.

6. O.A. Akinyemiju and D.I. Dickmann, The Influence of Tillage and the Herbicides Simazine and Diuron on Establishing Poplar Clones in

Lower Michigan, National Resource Research Report 426, Michigan State University, Agricultural Experiment Station, East Lansing, Michigan (1982).

Keywords: herbicides/ poplars/ cultivation.

7. O.A. Akinyemiju, J.G. Isebrands, N.D. Nelson, and D.I. Dickmann, "Use of glyphosate in the establishment of Populus in short rotation intensive culture," pp. 94-102 in Proceedings, 1982 North American Poplar Council Meeting, eds. J. Zavitkovski and E.A. Hansen, Kansas State University, Manhattan, Kansas (1982).

Keywords: herbicides/ Populus/ short rotation intensive culture.

8. R.M. Argent, "Outside storage effects on fuel potential of wood chip piles," Transactions of the Kansas Academy of Science 3:1 (1984).

Keywords: storage/ fuel properties/ wood.

9. K.P. Ariyadasa and D.J. Frederick, Aboveground Biomass Estimation for Seven Tree Species Growing on the Coastal Plain of Georgia, North Carolina State University, Raleigh, North Carolina (1987).

Keywords: pine, loblolly/ pines/ sycamores/ Platanus occidentalis/ willows/ Quercus/ Quercus phellos/ sweetgum/ Liquidambar styraciflua/ ash, green/ Fraxinus pennsylvanica/ Eucalyptus macarthurii/ Eucalyptus viminalis.

10. L.G. Arvanitis and M. Newton, Estimation of Acreage By Ownership and Land Use/Soil Potential Categories for Selected Tree Species, University of Florida, Gainesville, Florida (1980).

Keywords: land availability/ soil properties/ Florida.

11. W.C. Ashby, D.F. Bresnan, C.A. Huetteman, J.E. Preece, and P.L. Roth, "Chilling and bud break in silver maple," Journal of Environmental Horticulture 9:4 (1991).

Keywords: Acer saccharinum/ clonal propagation/ harvesting/ provenance trials/ tissue culture/ bud break.

12. W.C. Ashby, D.F. Bresnan, R.K. Kjelgren, P.L. Roth, J.E. Preece, and C.A. Huetteman, "Coppice growth and water relations of silver maple," Biomass and Bioenergy 5:317-323 (1993).

Keywords: biofuels/ feedstocks/ foliage density/ leaf composition/ nutrient cropping/ provenance trials/ rootstock/ sprouting/ stomatal behavior/ short rotation woody crops/ coppice/ water relations.

13. W.C. Ashby, D.F. Bresnan, P.L. Roth, J.E. Preece, and C.A. Huetteman, "Nursery establishment, phenology and growth of silver maple related to provenance," Biomass and Bioenergy 3:1-7 (1992).

Keywords: nursery establishment/ phenology/ maple, silver/ provenance trials/ Acer saccharinum/ biofuels/ biomass/ bud break/ growth/ terminal bud.

14. D.L. Auld et al., The Potential of Vegetable Oil as an Alternate Source of Liquid Fuel for Agriculture in the Pacific Northwest - VI, Miscellaneous Series No. 121, University of Idaho, Colleges of Agriculture and Engineering, Moscow, Idaho (1988).

Keywords: vegetable oils/ liquid fuels/ Pacific Northwest.

15. D.L. Auld, K.A. Mahler, B.L. Bettis, and J.C. Crock, "Registration of 'Bridger' rapeseed," Crop Science 27:1310 (1987).

Keywords: rapeseed.

16. D.L. Auld, K.A. Mahler, J.C. Crock, and B.L. Bettis, "Registration of 'Cascade' rapeseed," Crop Science 27:1309-1310 (1987).

Keywords: rapeseed.

17. D.L. Auld, K.A. Mahler, and D.J. LeTourneau, "Evaluation of four brassica germplasm collections for fatty acid composition," Journal of the American Oil Chemists' Society 66:1475-1479 (1989).

Keywords: Brassica/ germplasm/ fatty acid composition.

18. D.L. Auld, K.A. Mahler, C.L. Peterson, R.A. Korus, and P.L. Raymer, The Potential of Biodiesel Derived from Winter Rapeseed as an Alternative Source of Liquid Fuel, University of Idaho, Colleges of Agriculture and Engineering, Moscow, Idaho (1991).

Keywords: fuels, biodiesel/ rapeseed/ liquid fuels.

19. D.L. Auld, K.A. Mahler, D.C. Thrill, D.A. Erickson, P.L. Raymer, and J.L. Sernyk, "Registration of two rapeseed germplasm populations," Crop Science 31:493-494 (1991).

Keywords: rapeseed/ germplasm.

20. D.L. Auld, K.A. Mahler, D.C. Thrill, D.A. Erickson, P.L. Raymer, D.C. Bridges, and J.L. Butler, "Registration of 'Rebel' rapeseed," Crop Science 31:485-486 (1991).

Keywords: rapeseed.

21. D.L. Auld, K.A. Mahler, and A.A. Voorhis, Evaluation of USDA Collection of Oilseed Brassicas for Fatty Acid Composition and Glucosinolate Content, Miscellaneous Series Bulletin No. 114, University of Idaho, Agriculture Experiment Station, Moscow, Idaho (1988).

Keywords: Brassica/ fatty acid composition/ glucosinolate.

22. D.L. Auld and C.L. Peterson, Biodiesel: As a Means of Reducing U.S. Dependence on Imported Oil, University of Idaho, Moscow, Idaho (1989).

Keywords: fuels, biodiesel/ Idaho.

23. S.R. Baertsche, M.T. Yokoyama, and J.W. Hanover, Short Rotation, Hardwood Tree Biomass as Potential Feed: 1. Chemical Composition of Selected Species. 2. Nylon Bag Ruminal Digestibility of Selected Species. 3. Ensiling Characteristics of Selected Species, Research Report No. 473, Michigan State University Agricultural Experiment Station, East Lansing, Michigan (1986).

Keywords: hardwoods/ livestock.

24. S.R. Baertsche, M.T. Yokoyama, and J.W. Hanover, "Short rotation, hardwood tree biomass as potential feed: chemical composition, nylon bag ruminal degradation

and ensilement of selected species," Journal of Animal Science 63:2028-2043 (1986).

Keywords: hardwoods/ livestock.

25. P.E. Barnett and D.L. Sivois, "Roll splitting as an alternative intermediate process for wood fuel," Forest Energy Newsletter (1985).

Keywords: short rotation woody crops/ storage.

26. W.F. Barron, R.D. Perlack, P. Kroll, J.H. Cushman, and J.W. Ranney, FIRSTCUT: A Preliminary Assessment Model for Short-Rotation Intensive Silviculture--Model Description and User's Guide, ORNL/TM-8566, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1983).

Keywords: short-rotation woody crops/ intensive culture/ models.

27. B.J. Bartfield, J.F. Clarke, O.J. Loewer, and M. Collins, "Identification and assessment of critical issues relative to modeling biomass energy production, a response to potential climate change," in Proceedings, Global Biomass Workshop, ed. E.E. Yoder, University of Kentucky, Lexington, Kentucky (1991).

Keywords: biomass resources/ global biomass/ models/ climate change.

28. J.F. Bartholic, J.W. Hanover, L. Tombaugh, K.W. Downey, M.C. Hawley, and H. Koenig, "Integrated approach for utilization of bioresources for fuels, chemicals, and traditional uses," pp. 529-565 in Wood and Agricultural Residues, ed. E.J. Soltes, Academic Press, Inc., New York (1983).

Keywords: plantations/ yields/ biomass resources/ agroforestry/ breeding/ genetics/ clonal propagation/ nutrition, tree/ growth/ seedlings/ pest management/ pyrolysis/ gasification.

29. W.E. Berguson and D.F. Grigal, "Clonal screening of Populus and Salix for short rotation forestry on peatlands," Agronomy Abstracts pp. 215-216 (1985).

Keywords: poplars/ Salix/ clonal selection/ short rotation woody crops.

30. W.E. Berguson, E.A. Hansen, W.C. Johnson, C.B. Borse, and D. Zimmerman, "Short-rotation- intensive-culture tree production in Minnesota," pp. 275-294 in Proceedings, Energy from Biomass and Wastes XIII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1990).

Keywords: short rotation intensive culture/ plantation establishment/ poplars, hybrid/ Salix/ willows/ growth/ yields.

31. D.R. Betters, L.L. Wright, and L. Couto, "Short rotation woody crop plantations in Brazil and the United States," Biomass and Bioenergy 1:305-316 (1991).

Keywords: short rotation woody crops/ Brazil/ economic analysis/ fiber content/ fuels/ commercialization.

32. J. Beyea and K.H. Keeler, "Biotechnological advances in biomass energy and chemical production: impacts on wildlife and habitat," pp. 305-319 in Critical Reviews in Biotechnology, (1991).

Keywords: biofuels/ environmental impacts/ waste production.

33. M.G. Bhat, B.C. English, and M.A. Ojo, "Regional costs of transporting biomass feedstocks," pp. 50-57 in Proceedings of an Alternative Energy Conference - Liquid Fuels from Renewable Resources, ed. J.S. Cundiff, American Society of Agricultural Engineers, St. Joseph, Michigan (1992).

Keywords: economic analysis/ transporting/ biomass/ feedstocks/ lignocellulosic crops/ renewable energy/ biofuels/ regional analysis.

34. M.G. Bhat, B.C. English, A.F. Turhollow, and H.O. Nyangito, Energy in Synthetic Fertilizers and Pesticides: Revisited, ORNL/Sub/90-99732/2, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1994).

Keywords: fertilization/ pesticides/ economic analysis.

35. B.R. Bingaman and E.R. Hart, "Clonal and leaf age variation in Populus phenolic glycosides: implications for host selection by Chrysomela scripta (Coleoptera: Chrysomelidae)," Environmental Entomology 22:397-403 (1993).

Keywords: Chrysomela scripta/ phenolic glycosides/ poplars.

36. R. Birchem, H.E. Sommer, and C.L. Brown, "Scanning electron microscopy of shoot and root development in sweetgum callus tissue culture," Forest Science 27:206-212 (1981).

Keywords: shoot development/ roots/ sweetgum/ callus/ stomata/ Liquidambar styraciflua/ tissue culture/ leaf development/ roots, abnormal.

37. T.J. Blake and T.J. Tschaplinski, "Water relations," pp. 66-94 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: water relations/ growth/ short rotation woody crops.

38. P.R. Blankenhorn, T.W. Bowersox, J.J. Hillebrand, and W.K. Murphey, Evaluation Procedure for Consideration of Forest Biomass as a Fuel Source for a 100 Megawatt Electric Generating Facility, Penn State University Bulletin 820, Pennsylvania State University, College of Agriculture, University Park, Pennsylvania (1978).

Keywords: forest biomass/ combustion/ conversion technology/ gasification/ power plant.

39. P.R. Blankenhorn, T.W. Bowersox, and K.M. Kuklewski, "Physical and chemical properties of three Populus hybrids as influenced by site, parentage, biomass age, and rotation," pp. 393-399 in Proceedings, Seventh North American Forest Biology Workshop: Physiology and Genetics of Intensive Culture, University of Kentucky, Lexington, Kentucky (1982).

Keywords: Populus/ chemical composition/ rotation length/ morphology/ plant age/ genetic influences.

40. P.R. Blankenhorn, T.W. Bowersox, K.M. Kuklewski, and G.L. Stimely, "Comparison of selected fuel and chemical content values for seven Populus hybrid clones," Wood and Fiber Science 17:148-158 (1985).

Keywords: poplars, hybrid/ combustion heat/ extractives/ holocellulose/ cellulose, alpha/ lignin/ ash.

41. P.R. Blankenhorn, T.W. Bowersox, K.M. Kuklewski, and G.L. Stimely, "Effects of rotation, site, and clone on the chemical composition of Populus hybrids," Wood and Fiber Science 17:351-360 (1985).

Keywords: poplars/ site characteristics/ clonal propagation/ rotation length/ chemical composition.

42. P.R. Blankenhorn, T.W. Bowersox, and W.K. Murphey, "Recoverable energy from the forests, an energy balance sheet," TAPPI 61:57-60 (1978).

Keywords: biomass/ energy balance/ management practices/ forests/ combustion.

43. P.R. Blankenhorn, T.W. Bowersox, and C.H. Strauss, "Hybrid poplar as an energy source," pp. 2-4 in The Pennsylvania State University School of Forest Resources Annual Report of Research and Extension, Pennsylvania State University, College of Agriculture, School of Forest Resources, University Park, Pennsylvania (1985).

Keywords: poplars/ growth/ biomass.

44. P.R. Blankenhorn, T.W. Bowersox, C.H. Strauss, G.L. Stimely, C.A. Hornicsar, and M.L. DiCola, "The characterization of hybrid poplar as a potential feedstock for fermentation to ethanol," pp. 43-49 in Proceedings, 1984 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1984).

Keywords: poplars, hybrid/ biomass quality/ ethanol.

45. P.R. Blankenhorn, T.W. Bowersox, C.H. Strauss, G.L. Stimely, L.R. Stover, and M.L. DiCola, "Effects of management strategy and site on selected properties of first rotation Populus hybrid NE-388," Wood and Fiber Science 20:74-81 (1988).

Keywords: Populus/ management practices/ site characteristics.

46. P.R. Blankenhorn, T.W. Bowersox, C.H. Strauss, L.R. Stover, S.C. Grado, G.L. Stimely, M.L. DiCola, C.A. Hornicsar, and B.E. Lord, Net Energy and Economic Analyses for Producing Populus Hybrid Under

Four Management Strategies: First Rotation, ORNL/Sub/79-07928/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1986).

Keywords: poplars/ economic analysis/ management practices.

47. P.R. Blankenhorn, T.W. Bowersox, and R.E. Weyers, "Energy relationships for selected cultural investments," Forest Science 28:459-469 (1982).

Keywords: biomass/ management practices.

48. P.R. Blankenhorn and R.E. Weyers, "Moisture effects on an energy balance developed for using forest biomass as a fuel," Forest Products Journal 30:41-46 (1980).

Keywords: energy balance/ forest biomass/ fuels/ moisture content.

49. B.C. Bongarten, "The itinerant tree," The World & I 11:202-207 (1993).

Keywords: locust, black/ soils/ Robinia pseudoacacia.

50. B.C. Bongarten, D.A. Huber, and D.K.Apsley, "Environmental and genetic influences on short-rotation biomass production of black locust (Robinia pseudoacacia L.) in the Georgia Piedmont," Forestry Ecology and Management 55:315-331 (1992).

Keywords: environmental impacts/ genetic influences/ short rotation woody crops/ locust, black/ Georgia Piedmont.

51. T.W. Bowersox, P.R. Blankenhorn, and W.K. Murphey, "Heat of combustion, ash content, nutrient content, and chemical content of selected Populus hybrids," Wood Science 11:257-262 (1979).

Keywords: combustion/ ash content/ nutrient status/ chemical composition/ poplars, hybrid/ harvesting.

52. T.W. Bowersox, P.R. Blankenhorn, and C.H. Strauss, "Second rotation growth and yield of a Populus hybrid," pp. 66-73 in Proceedings of the International Energy Agency Task II Meeting and Workshops on Cell Culture and Coppicing, ed. A. Ferm, Finnish Forest Research Institute, Oulu, Finland (1988).

Keywords: rotation length/ poplars, hybrid/ short rotation woody crops/ hardwoods.

53. T.W. Bowersox, P.R. Blankenhorn, C.H. Strauss, and L.R. Stover, "Growth and yield advantages of fertilizers and/or irrigation in dense Populus plantations," in Proceedings, Seventh North American Forest Biology Workshop: Physiology of Intensive Culture, University of Kentucky, Lexington, Kentucky (1982).

Keywords: Populus/ fertilization/ irrigation.

54. T.W. Bowersox, T.H. Schubert, R.F. Strand, and C.D. Whitesell, "Coppicing success of young Eucalyptus saligna in Hawaii," Biomass 23:137-148 (1990).

Keywords: coppice/ seedlings, container/ intensive culture/ beetles, ambrosia/ Eucalyptus saligna.

55. J.H. Braatne, T.M. Hinckley, and R.F. Stettler, "Influence of soil water on the physiological and morphological components of plant water balance in Populus trichocarpa, Populus deltoides and their F1 hybrids," Tree Physiology 11:325-339 (1992).

Keywords: soil properties/ physiology/ morphology/ water balance/ poplars/ hybrids.

56. H.D. Bradshaw Jr. and G.S. Foster, "Marker-aided selection and propagation systems in trees: advantages of cloning for studying quantitative inheritance," Canadian Journal of Forestry Research 22:1044-1049 (1992).

Keywords: clonal propagation/ genetic improvement.

57. H.D. Bradshaw Jr., J.B. Hollick, T.J. Parsons, H.R.G. Clarke, and M.P. Gordon, "Systemically wound-responsive genes in poplar trees encode proteins similar to sweet potato sporamins and legume Kunitz trypsin inhibitors," Plant Molecular Biology 14:51-59 (1989).

Keywords: DNA, chromosomal/ clonal propagation/ poplars/ proteinase inhibitor/ wound-responsive.

58. H.D. Bradshaw Jr., T.J. Parsons, and M.P. Gordon, "Wound-responsive gene expression in poplars," Forest Ecology and Management 43:211-224 (1991).

Keywords: wound-responsive/ gene expression/ poplars/ pathogen invasion/ insects.

59. H.D. Bradshaw Jr., and R.F. Stettler, "Molecular genetics of growth and development in Populus. I. Triploidy in hybrid poplars," Theoretical and Applied Genetics 86:301-307 (1993).

Keywords: molecular genetics/ growth/ triploidy/ poplars, hybrid/ DNA extraction.

60. D.I. Bransby, S.E. Sladden, and D.D. Kee, Selection and Improvement of Herbaceous Energy Crops for the Southeastern USA, ORNL/Sub/85-27409/5, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: species selection/ management practices/ grasses, tall/ switchgrass/ herbaceous energy crops/ johnsongrass/ Sericea lespedeza/ napiergrass/ energy cane.

61. D.I. Bransby, C.Y. Ward, C.C. King Jr., and G. Sims, "Herbaceous crops show promise as energy producers of the future," Highlights of Agricultural Research 35:16 (1988).

Keywords: herbaceous energy crops.

62. D.I. Bransby, C.Y. Ward, P.A. Rose, S.E. Sladden, and D.D. Kee, "Biomass production from selected herbaceous species in the southeastern USA," Biomass 20:187-197 (1989).

Keywords: biomass composition/ economic analysis/ dry matter/ herbaceous energy crops.

63. D.F. Bresnan, W.C. Ashby, J.E. Preece, P.L. Roth, and C.A. Huetteman, "Geographic variation in silver maple," Illinois State Academy of Science 81(Suppl.):31 (1988).

Keywords: Acer.

64. F.E. Bridgewater, J.T. Talbert, and D.L. Rockwood, "Field design for genetic testing," pp. 28-39 in Proceedings, Workshop on Progeny Testing, University of Florida, Gainesville, Florida (1982).

Keywords: experimental design/ genetics.

65. C.L. Brown and H.E. Sommer, "Vegetative propagation of dicotyledonous trees," pp. 109-149 in Tissue Culture in Forestry, eds. J.M. Bonga and D.J. Durzan, Martinus Nijhoff Publishers, The Netherlands (1982).

Keywords: dicotyledonous trees/ Salix/ poplars/ rooting ability/ clonal propagation, stem/ Platanus occidentalis/ economic analysis/ tissue culture/ callus.

66. J.P. Bryant, F.S. Chapin III, and D.R. Klein, "Carbon/nutrient balance of boreal plants in relation to vertebrate herbivory," Oikos 40:357-368 (1983).

Keywords: nutrient status/ pests/ pest management.

67. J.P. Bryant, G. Wieland, P.B. Reichardt, V.E. Lewis, and M.C. McCathy, "Pinosylvin methyl ether deters snowshoe hare feeding on green alder," Science 222:1023-1025 (1983).

Keywords: small mammals/ alders/ pest management.

68. M.G. Buck, "Concepts of resource sharing in agroforestry systems," Agroforestry Systems 4:191-203 (1986).

Keywords: agroforestry/ woody crops/ plant management/ competition/ growth/ growth responses/ biomass/ Pinus radiata/ Pinus elliottii/ Leucaena/ intercropping/ coppice/ morphology/ roots/ water stress.

69. T.E. Burk, N.D. Nelson, and J.G. Isebrands, "Crown architecture of short-rotation, intensively cultured Populus: III. A model of first-order branch architecture," Canadian Journal of Forestry Research 13:1107-1116 (1983).

Keywords: rotation length/ intensive culture/ poplars/ clonal propagation/ branch characteristics/ short rotation intensive culture/ spacing/ plantations/ leaf area.

70. T.R. Burkot and D.M. Benjamin, "The biology and ecology of the cottonwood leaf beetle, Chrysomela scripta, on tissue cultured hybrid Aigeiros (Populus x euramericana) subclones in Wisconsin," Canadian Entomology 111:551-556 (1979).

Keywords: pests/ Chrysomela scripta/ Populus/ euramericana.

71. T.T. Cable, T.D. Warner, and W.A. Geyer, "Fuelwood consumption in Kansas," National Woodlands pp. 15-17 (1986).

Keywords: fuelwood/ Kansas.

72. M. Calvin, "Renewable fuels for the future," p. 14 in Alternative Sources of Energy for Agriculture, ed. J. Bay-Petersen, Food and Fertilizer Technical Center, Taiwan, Republic of China (1985).

Keywords: renewable energy.

73. M. Calvin, "Fuel oils from Euphorbs and other higher plants," p. 21 in Proceedings: International Symposium on Chemistry, Taxonomy, and Economic Botany of Euphorbiales, Lawrence Berkeley Laboratory, Berkeley, California (1986).

Keywords: fuel oils/ Euphorbs.

74. M. Calvin, "Renewable fuels and materials, oil from plants," Cell Biophysiology 9:189-210 (1986).

Keywords: renewable energy/ oil/ carbon dioxide.

75. M. Calvin, J.W. Otvos, S.E. Taylor, E.K. Nemethy, C.L. Skrukrud, D.R. Hawkins, and R. Lago, Hydrocarbons and Energy from Plants, Final Report 1984-1987, ORNL/Sub/84-90435/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: hydrocarbons/ biomass/ renewable energy.

76. R.A. Cantor and C.G. Rizy, "Biomass energy: exploring the risks of commercialization in the United States of America," Bioresource Technology 35:13 (1991).

Keywords: risk analysis/ commercialization/ renewable energy.

77. R.L. Cantrell and P.A. Layton, "Progeny tests: site preparation and maintenance using herbicides," pp. 120-167 in Proceedings, 17th Annual Spring Symposium, Herbicides for Southern Forestry, Society of American Foresters, Bethesda, Maryland (1986).

Keywords: herbicides/ site preparation/ progeny tests.

78. J.D. Castello and J.G. Berbee, "The detection and elimination of viruses from hybrid poplar clones," Phytopathology News 12:186 (1978).

Keywords: viruses/ poplars, hybrid.

79. R.J. Ceulemans, T.M. Hinckley, P.E. Heilman, J.G. Isebrands, and R.F. Stettler, "Crown architecture in relation to productivity of Populus clones in the Pacific Northwest, U.S.A.," Forest Tree Physiology (Proceedings of the International Symposium) 46:199s-201s (1989).

Keywords: crown architecture/ leaf area/ Populus/ productivity.

80. R.J. Ceulemans, T.M. Hinckley, and I. Impends, "Stomatal response of hybrid poplar to incident light, sudden darkening and leaf excision," Physiologia Plantarum 75:174-182 (1989).

Keywords: stomatal behavior/ cuticular conductance/ leaf senescence/ Populus trichocarpa x Populus deltoides.

81. R.J. Ceulemans, T.M. Hinckley, J.G. Isebrands, R.F. Stettler, and B.M. Wiard, "Leaf orientation and net photosynthesis of different Populus clones," Plant Physiology 86:71 (1988).

Keywords: Populus/ photosynthesis/ leaf orientation.

82. R.J. Ceulemans, G.E. Scarascia-Mugnozza, B.M. Wiard, J.H. Braatne, T.M. Hinckley, R.F. Stettler, J.G. Isebrands, and P.E. Heilman, "Production physiology and morphology of Populus species and their hybrids grown under short rotation. I. Clonal comparisons of 4-year growth and phenology," Canadian Journal of Forestry Research 22:1937-1948 (1992).

Keywords: physiology/ morphology/ poplars/ hybrids/ short rotation woody crops/ clonal propagation/ phenology.

83. R.J. Ceulemans, R.F. Stettler, R.F. Hinckley, J.G. Isebrands, and P.E. Heilman, "Crown architecture of Populus clones as determined by branch orientation and branch characteristics," Tree Physiology 7:157-167 (1990).

Keywords: poplars/ genotypes/ clonal variations/ growth/ light interception/ crown architecture/ branch characteristics.

84. R.J. Ceulemans, R.F. Stettler, T.M. Hinckley, P.E. Heilman, and J.G. Isebrands, "Crown architecture and leaf demography in intensively cultured hybrid Populus clones," pp. 100-107 in Proceedings, 10th North American Forest Biology Workshop, eds. J. Worral, J. Loo-Dinkins, and D.P. Lester, University of British Columbia, Vancouver, British Columbia (1988).

Keywords: branch characteristics/ dry matter/ leaf area/ poplars, hybrid/ crown architecture.

85. R.J. Ceulemans, R.F. Stettler, T.M. Hinckley, J.G. Isebrands, and P.E. Heilman, "Crown architecture of poplar (Populus) clones as determined by branch orientation and branch characteristics," in Proceedings, Dynamics of Ecophysiological Processes in Tree Crowns and Forest Canopies: ECOPHYS, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1989).

Keywords: productivity/ branch characteristics/ clonal variations/ crown architecture/ Populus/ models, ECOPHYS.

86. P. Chandler and W.A. Geyer, "Economic and energy-cost analyses for a theoretical energy forest plantation," Transactions of the Kansas Academy of Science 82:85 (1979).

Keywords: economic analysis/ plantations.

87. L.J. Chaput and G.A. Tuskan, "Field windbreak management and its effects on adjacent crop yield - a preliminary study," North Dakota Farm Research 48:26-28 (1990).

Keywords: shelterbelts/ productivity.

88. J.H. Cherney, K.D. Johnson, J.J. Volenec, E.J. Kladivko, and D.K. Greene, Evaluation of Potential Herbaceous Biomass Crops on Marginal Crops Land: 1) Agronomic Potential, ORNL/Sub/85-27412/5&P1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: species selection/ land quality/ site selection/ management practices/ chemical composition/ soils/ double crops/ interseeding.

89. P. Chow, G.L. Rolfe, and L.E. Arnold, "Chemicals, fiber, and energy from woody biomass," Illinois Research 25:11-13 (1983).

Keywords: fiber yields/ energy content/ biomass/ by-products.

90. P. Chow, G.L. Rolfe, C.S. Lee, and T.A. White, "The chemical properties of 2-year-old deciduous species," Journal of Applied Polymer Science, Symposia Series 557-575 (1983).

Keywords: deciduous/ chemical composition.

91. D.P. Christian, G.J. Niemi, J.M. Hanowski, and P. Collins, "Perspectives on biomass energy tree plantations and changes in habitat for biological organisms," Biomass and Bioenergy 6:31-39 (1994).

Keywords: biodiversity/ birds/ small mammals/ biomass plantations/ poplars, hybrid/ landscape issues/ North America/ North Central region.

92. N.S. Christopherson and J.A. Mattson, "Mechanization of the operational aspects of short-rotation forestry," Biomass 22:123-133 (1990).

Keywords: short rotation intensive culture/ harvesting/ production systems.

93. Y.W. Chun, N.B. Klopfenstein, H.S. McNabb Jr., and R.B. Hall, "Biotechnological applications in Populus species," Journal of Korean Forestry Society 77:467-483 (1988).

Keywords: tissue culture/ biotechnology/ genetic engineering/ Agrobacterium tumefaciens/ Populus.

94. A. Clark III, D.R. Phillips, and D.J. Frederick, "Biomass distribution and production of coastal plain hardwood stands," in Proceedings, Energy from Biomass and Wastes VII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1983).

Keywords: hardwood stands/ productivity.

95. A. Clark III, D.R. Phillips, and D.J. Frederick, Weight, Volume, and Physical Properties of Major Hardwood Species in the Gulf and Atlantic Coastal Plains, SE-250, U.S. Forest Service, Southeastern Forest Experiment Station, Asheville, North Carolina (1985).

Keywords: biomass/ specific gravity/ moisture content/ bark percentage/ weight tables/ ash, green/ blackgum/ maple, red/ sweetgum/ water tupelo/ poplar, yellow/ hickories/ oak, laurel/ oak, water/ oak, white/ hardwoods.

96. A. Clark III, D.R. Phillips, and D.J. Frederick, Weight, Volume, and Physical Properties of Major Hardwood Species in the Piedmont, SE-255, U.S. Forest Service, Southeastern Experiment Station, Asheville, North Carolina (1986).

Keywords: biomass/ specific gravity/ moisture content/ bark percentage/ weight tables/ hardwoods.

97. A. Clark III, D.R. Phillips, and D.J. Frederick, Weight, Volume, and Physical Properties of Major Hardwood Species in the Upland-South, SE-257, U.S. Forest Service, Southeastern Experiment Station, Asheville, North Carolina (1986).

Keywords: volume tables/ biomass/ specific gravity/ moisture content/ bark percentage/ weight tables.

98. G. Cline, J.D. Rhodes, and P. Felker, "Micronutrient, phosphorus and pH influences on growth and leaf tissue nutrient levels of Prosopis alba and Prosopis glandulosa," Forest Ecology and Management 16:81-93 (1986).

Keywords: micronutrient/ phosphorus/ pH/ growth levels/ leaf composition/ Prosopis alba/ Prosopis glandulosa/ nitrogen fixation/ fuelwood/ zinc/ nutrients.

99. J.P. Colletti, "The Amana Project," Ames Forester 76:15-18 (1989).

Keywords: monoculture/ short rotation intensive culture/ maple, silver.

100. J.P. Colletti, L. Rule, A. Skadberg, D. Schultz, C. Mize, R.B. Hall, and P.H. Wray, "Agroforestry systems for the Midwest," Ames Forester 78:10-13 (1991).

Keywords: multi-cropping/ agroforestry.

101. J.P. Colletti, L. Rule, A. Skadberg, D. Schultz, C. Mize, R.B. Hall, and P.H. Wray, "Land application of sludge to forest and herbaceous energy crops," Ames Forester 78:24-30 (1991).

Keywords: sludge/ forests/ herbaceous energy crops/ energy crops/ multi-cropping/ alley cropping/ sludge/ nitrogen/ woody crops/ biomass production/ poplars, hybrid/ switchgrass/ sorghum, forage/ rye/ crambe/ yields.

102. M. Collins, "Biomass production by nitrogen fertilized switchgrass monocultures and mixtures with bigflower vetch," p. 10 in Proceedings: 1991 Southern Biomass Conference, Louisiana Department of Agriculture and Forestry, Baton Rouge, Louisiana (1991).

Keywords: grasses/ switchgrass/ annuals/ fertilization.

103. C.W. Comer, L.F. Conde, D.L. Rockwood, and T.F. Geary, "Casuarina cultural improvement in Florida," Nitrogen Fixing Tree Research Reports 4:53-56 (1986).

Keywords: Casuarina/ management practices.

104. C.W. Comer and D.L. Rockwood, "Screening of Eucalyptus species for coppice productivity," pp. 95-97 in Proceedings, Sixth Southern Forest Biomass Workshop, University of Georgia, Athens, Georgia (1984).

Keywords: planting density/ frost resistance/ soil types/ Eucalyptus/ coppice.

105. C.W. Comer, D.L. Rockwood, and H. Riekerk, "Frost tolerant Eucalyptus from north Florida," pp. 377-382 in Proceedings, Frost Resistant Eucalyptus Symposium, International Union of Forestry Research Organizations, Ljubljana, Yugoslavia (1983).

Keywords: Eucalyptus/ frost resistance.

106. L.F. Conde, Institute of Food and Agricultural Sciences Energy Information Handbook, University of Florida, Institute of Food and Agricultural Sciences, Gainesville, Florida (1979).

Keywords: energy production/ biomass production.

107. L.F. Conde, "Growth studies on Melaleuca," pp. 23-28 in Proceedings, Melaleuca Symposium, ed. R.K. Geiger, Florida Division of Forestry, Tallahassee, Florida (1980).

Keywords: Melaleuca/ growth.

108. L.F. Conde and J.B. Huffman, "Energy utilization from biomass, from fuel plantations," pp. 43-64 in Proceedings, 10th Spring Symposium, Society of American Foresters Florida Section, University of Florida, Gainesville, Florida (1978).

Keywords: biomass/ biomass plantations/ energy production.

109. L.F. Conde and D.L. Rockwood, "Energy plantation potential in Florida," pp. 2-11 in Proceedings, Conference on Alternative Energy Sources for Florida, University of Florida, Gainesville, Florida (1979).

Keywords: short rotation woody crops/ pine, slash/ pine, sand/ pines/ Eucalyptus/ Melaleuca/ plantations.

110. L. Couto, L.R. Graca and D.R. Betters, "Energy from wood biomass: the experience of the Brazilian forest sector," pp. 42-53 in Proceedings of the First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, National Renewable Energy Laboratory, Golden, Colorado (1993).

Keywords: wood biomass/ Brazil/ forests/ fuelwood/ Eucalyptus/ Pinus.

111. L. Couto, L.R. Graca, D.R. Betters, and C.A.M. Passos, "Agroforestry as an alternative to reduce establishment costs of short-rotation eucalypt plantations in southeastern Brazil," pp. 23-24 in The Third North American Agroforestry Conference - Opportunities for Agroforestry in the Temperate Zone Worldwide, Iowa State University Press, Ames, Iowa (1993).

Keywords: agroforestry/ intercropping/ corn/ beans/ plantations/ economic analysis/ Eucalyptus/ establishment methods.

112. J.R. Cowles and H.W. Scheld, Cultural and Management Practices for the Chinese Tallow Tree as a Biomass Fuel Source, ORNL/Sub/81-09059/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1987).

Keywords: Sapium sebiferum/ fertilization/ management practices.

113. T.B. Crabb, "Eucalyptus plantations for energy production in Hawaii," pp. 167-172 in Proceedings, Governor's Energy Conference: Hawaii's Energy Options for the 80s, U.S. Forest Service, Honolulu, Hawaii (1982).

Keywords: Eucalyptus/ energy production.

114. T.B. Crabb and T.H. Schubert, "Economics of Eucalyptus plantations for biomass in Hawaii," pp. 113-123 in Proceedings, Third Pacific Basin Biofuels Workshop, University of Hawaii, Hawaii Natural Energy Institute, Honolulu, Hawaii (1989).

Keywords: economic analysis/ yields/ management practices/ harvesting/ Eucalyptus.

115. J.B. Crist, J.G. Isebrands, and N.D. Nelson, "Suitability of intensively grown Populus raw material for industry," pp. 65-74 in Proceedings: 16th Annual Meeting of North American Poplar Council, North American Poplar Council, Thompsonville, Minnesota (1979).

Keywords: poplars/ short rotation intensive culture.

116. W.P. Cropper and K.C. Ewel, "A regional carbon storage simulation for large-scale biomass plantations," Ecological Modelling 36:171-180 (1987).

Keywords: carbon sequestration/ biomass plantations.

117. T.R. Crow, "A guide to using regression equations for estimating tree biomass," Northern Journal of Applied Forestry 5:15-22 (1988).

Keywords: models/ yields/ biomass estimates.

118. T.R. Crow, J.G. Isebrands, H.M. Rauscher, and R.E. Dickson, "Effects of canopy architecture on photosynthetic production in Populus seedings: a simulation study," p. 286 in Proceedings, 72nd Annual Meeting of Ecological Society of America, Ohio State University Press, Columbus, Ohio (1987).

Keywords: poplars/ photosynthesis.

119. T.R. Crow and H.M. Rauscher, "Silvicultural research: theory and applications," pp. 334-345 in Proceedings, 18th IUFRO World Congress, International Union of Forestry Research Organizations, Norway (1986).

Keywords: ecosystems/ ecology/ silviculture.

120. T.R. Crow, H.M. Rauscher, D.A. Michael, J.G. Isebrands, and D.I. Dickmann, "POPGROW: an ecophysiological growth model," p. 30 in Proceedings, Conference Northern Hardwood Resource: Management and Potential, Michigan Technological University, Houghton, Michigan (1986).

Keywords: poplars/ models/ growth.

121. C.A. Cullis, "DNA rearrangements in response to environmental stress," Advances in Genetics 28:73-97 (1990).

Keywords: DNA rearrangement/ environmental impacts/ genome size/ transposable elements.

122. M.W. Cunningham, "Genetic variation in rooting ability of American sycamore cuttings," p. 6 in Proceedings, 1986 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1986).

Keywords: sycamores/ Platanus occidentalis/ rooting ability/ genetic variations.

123. D.T. Curtin and P.E. Barnett, Development of Forest Harvesting Technology; Application in Short Rotation Intensive Culture (SRIC) Woody Biomass, Technical Note B58, Tennessee Valley Authority, Office of Agricultural and Chemical Development, Muscle Shoals, Alabama (1986).

Keywords: timber/ short rotation intensive culture/ harvesting/ stem size/ stocking/ productivity.

124. J.H. Cushman, "National biofuels roundtable formed," Biologue 10:60 (1992).

Keywords: biofuels/ environmental impacts/ industrial participation.

125. J.H. Cushman, J.L. Elmore, and A.F. Turhollow, Herbaceous Energy Crops Program: Annual Progress Report for FY 1984, ORNL-6221, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1985).

Keywords: herbaceous energy crops/ lignocellulosic crops/ wetlands/ species selection/ oilseed production/ economic analysis.

126. J.H. Cushman and J.W. Ranney, "Short rotation growth of hardwoods for energy applications across the United States: field results and economics," pp. 109-132 in Proceedings, Energy from Biomass and Wastes VI, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1982).

Keywords: biomass/ wastes/ short rotation woody crops/ economic analysis/ hardwoods.

127. J.H. Cushman and J.W. Ranney, Short Rotation Woody Crops Program Quarterly Progress Report for the Period Ending August 31, 1981, ORNL/TM-8157, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1982).

Keywords: short rotation woody crops/ species selection/ breeding/ environmental impacts/ wetlands/ wood biomass/ establishment methods/ management practices/ harvesting.

128. J.H. Cushman and J.W. Ranney, Short Rotation Woody Crops Program Quarterly Progress Report for the Period Ending May 31, 1981, ORNL/TM-8156, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1982).

Keywords: short rotation woody crops/ species selection/ breeding/ environmental impacts/ wetlands/ wood biomass/ establishment methods/ management practices/ harvesting.

129. J.H. Cushman and A.F. Turhollow, "Selecting herbaceous energy crops for the Southeast and Midwest/Lake States," pp. 465-480 in Proceedings, Energy from Biomass and Wastes XIV, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1991).

Keywords: herbaceous energy crops/ species selection/ regional analysis/ conversion technology/ growth responses.

130. J.H. Cushman, A.F. Turhollow, and J.W. Johnston, Herbaceous Energy Crops Program: Annual Progress Report for FY 1985, ORNL-6263, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1986).

Keywords: herbaceous energy crops/ lignocellulosic crops/ wetlands/ species selection/ oilseed production/ economic analysis/ breeding/ environmental impacts.

131. J.H. Cushman, A.F. Turhollow and J.W. Johnston, Herbaceous Energy Crops Program: Annual Progress Report for FY 1986, ORNL-6369, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1987).

Keywords: herbaceous energy crops/

lignocellulosic crops/ wetlands/ species selection/ oilseed production/ economic analysis/ breeding/ environmental impacts.

132. J.H. Cushman, A.F. Turhollow, and J.W. Johnston, Herbaceous Energy Crops Program: Annual Progress Report for FY 1987, ORNL-6514, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1989).

Keywords: herbaceous energy crops/ lignocellulosic crops/ species selection/ oilseed production/ economic analysis/ breeding/ environmental impacts/ erosion.

133. J.H. Cushman, L.L. Wright, and K. Shaw, "Energy crops for biofuels," The World & I 6(8):334-341 (1991).

Keywords: biomass/ conversion technology/ environmental impacts/ herbaceous energy crops/ woody crops/ tissue culture.

134. J.H. Cushman, L.L. Wright, J.L. Trimble, and J.W. Ranney, Short Rotation Woody Crops Program: Annual Progress Report for 1982, ORNL-5973, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1983).

Keywords: short rotation intensive culture/ hardwoods/ establishment methods/ management practices/ species selection/ genetic improvement/ economic analysis.

135. J.H. Cushman, L.L. Wright, J.L. Trimble, and J.W. Ranney, "Short-rotation intensive culture of hardwoods," pp. 5-14 in 1984 International Bio-energy Directory and Handbook, ed. P.F. Bente Jr., BioEnergy Council, Washington, DC (1984).

Keywords: short rotation intensive culture/ hardwoods/ species selection/ management practices/ genetic improvement.

136. W. Danfield, J. Martishus, and E.A. Hansen, Application Date Affects Herbicide Tolerance of Hybrid Poplars, NC-301, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1983).

Keywords: herbicides/ poplars, hybrid.

137. J.M. Davis, H.R.G. Clarke, H.D. Bradshaw Jr., and M.P. Gordon, "Populus chitinase genes: structure, organization, and similarity of translated sequences to herbaceous plant chitinases," Plant Molecular Biology 17:631-639 (1991).

Keywords: cottonwoods/ genotypes/ phylogeny/ systemic response/ wounding.

138. T.D. Davis and B.E. Haissig, "Chemical control of adventitious root formation in cuttings," PGRSA Quarterly 18:17 (1990).

Keywords: clonal propagation/ tissue culture/ roots, adventitious.

139. D.H. Dawson, J. Zavitkovski, and J.G. Isebrands, "Managing forests for maximum biomass production," pp. 36-42 in The Role of Chemical Engineering in Utilizing the Nation's Forest Resources, AIChE Symposium Series, The American Institute of Chemical Engineers, New York (1980).

Keywords: forests/ biomass production/ management practices.

140. J.O. Dawson, "Nitrogen-fixing trees and shrubs," Illinois Research 21:8-9 (1979).

Keywords: leguminous trees/ shrubs.

141. J.O. Dawson, P.J. Dzialowy, G.Z. Gertner, and E.A. Hansen, "Soil nitrogen patterns around Alnus glutinosa in mixed plantation with hybrid Populus," pp. 263-270 in Proceedings, 4th Central Hardwood Forest Conference, ed. R.N. Mueller, University of Kentucky, Department of Forestry, Lexington, Kentucky (1982).

Keywords: Alnus glutinosa/ Populus/ nitrogen/ soil properties.

142. J.O. Dawson, P.J. Dzialowy, G.Z. Gertner, and E.A. Hansen, "Changes in soil nitrogen concentration around Alnus glutinosa in a mixed, short-rotation plantation with hybrid Populus," Canadian Journal of Forestry Research 13:572-576 (1983).

Keywords: Alnus glutinosa/ Populus/ nitrogen/ soil properties.

143. J.O. Dawson and D.T. Funk, "Seasonal changes in foliar nitrogen concentration of Alnus glutinosa," Forest Science 27:239-243 (1981).

Keywords: Alnus glutinosa/ alders/ nitrogen, foliar/ leaf senescence.

144. J.O. Dawson, D.T. Funk, R.R. Fitton, and G.Z. Gertner, "Seasonal changes in leaf nitrogen concentration of Alnus glutinosa, A. rugosa, and A. serrulta," pp. 190-201 in Proceedings, Central Hardwood Forest Conference III, eds. H.E. Garrett and G.S. Cox, University of Missouri-Columbia, Columbia, Missouri (1980).

Keywords: alders/ nitrogen, foliar/ leaf senescence.

145. J.O. Dawson, T.A. White, P.J. Dzialowy, and R.A. Herendeen, "Nitrogen accretion in surficial soil of a young plantation of Robinia pseudoacacia," Forestry Research Report, 82-7, University of Illinois, Department of Forestry, Urbana-Champaign, Illinois (1982).

Keywords: locust, black/ nitrogen fixation/ coppice/ Robinia pseudoacacia.

146. N.F. DeBarros, Effects of Eucalyptus on Water Yield and Quality, 23rd ed.; University of Florida, School of Forest Resources and Conservation, Gainesville, Florida (1979).

Keywords: Eucalyptus/ environmental impacts.

147. D.S. DeBell, "Future potential for use of symbiotic nitrogen fixation in forest management," pp. 451-466 in Proceedings of Workshop, Symbiotic Nitrogen Fixation in the Management of Temperate Forests, U.S. Forest Service, Seattle, Washington (1979).

Keywords: nitrogen fixation/ management practices/ forests/ economic analysis.

148. D.S. DeBell, "Populus trichocarpa Torr. & Gray: black cottonwood," pp. 570-576 in Silvics of North America: Volume 2, Hardwoods, eds. R.M. Burns and B.H. Honkala, U.S. Forest Service, Washington, DC (1990).

Keywords: habitat/ climate/ growth/ reproduction/ genetics/ cottonwood, black.

149. D.S. DeBell, W.R. Harms, and C.D. Whitesell, "Stockability: a major factor in productivity difference between Pinus taeda plantations in Hawaii and the Southeastern United States," Forest Science 35:708-719 (1989).

Keywords: stocking/ self-thinning/ pine, loblolly/ yields/ spacing.

150. D.S. DeBell, W.R. Harms, and J.C. Zasada, "Yield of Populus hybrids in 'woodgrass' and other short-rotation density regimes," pp. 153-165 in Proceedings, Energy from Biomass and Wastes XII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1989).

Keywords: poplars, hybrid/ spacing/ planting density/ yields/ growth.

151. D.S. DeBell and C.A. Harrington, "Deploying genotypes in short-rotation plantations: mixtures and pure cultures of clones and species," The Forestry Chronicle 69:705-713 (1993).

Keywords: biomass/ intensive culture/ productivity/ nitrogen fixation/ silviculture/ operational considerations/ hybrids/ poplars/ Alnus/ Eucalyptus/ Albizia.

152. D.S. DeBell and M.A. Radwan, "Growth and nitrogen relations of coppiced black cottonwood and red alder in pure and mixed plantings," Botany Gazette 140:S97-S101 (1979).

Keywords: growth/ nitrogen/ cottonwood, black/ alder, red/ establishment methods.

153. D.S. DeBell and M.A. Radwan, "Foliar chemical concentrations in red alder stands of various ages," Plant and Soil 77:391-394 (1984).

Keywords: alder, red/ chemical composition.

154. D.S. DeBell and M.A. Radwan, "Repeated coppicing of cottonwood and alder affects soil properties," Agronomy Abstracts p. 258 (1984).

Keywords: cottonwoods/ alders/ soil properties/ coppice.

155. D.S. DeBell, M.A. Radwan, C.A. Harrington, and D.L. Reukema, "Culture of red alder (Alnus rubra) in biomass plantations," pp. 125-134 in Energy from Biomass: Building on a Generic Technology Base, Argonne National Laboratory, Argonne, Illinois (1984).

Keywords: Alnus rubra/ alder, red/ planting density/ rotation length.

156. D.S. DeBell, M.A. Radwan, and J.M. Kraft, Influence of Red Alder on Chemical Properties of a Clay Loam Soil in Western Washington, PNW-313, U.S. Forest Service, Pacific Northwest Research Station, Seattle, Washington (1983).

Keywords: alder, red/ soil properties.

157. D.S. DeBell, R.F. Strand, and D.L. Reukema, "Short-rotation production of red alder: some options for future forest management," pp. 231-244 in Proceedings of Symposium: Utilization and Management of Alder, U.S. Forest Service, Pacific Northwest Forest and Range Experiment Station, Olympia, Washington (1978).

Keywords: short rotation woody crops/ production/ alder, red/ management practices/ forests/ pulpwood.

158. D.S. DeBell and T.C. Turpin, "Red alder," pp. 26-28 in Silvicultural Systems for the Major Forest Types of the United States, U.S. Department of Agriculture, Washington, DC (1983).

Keywords: Alnus/ growth/ alder, red.

159. D.S. DeBell and C.D. Whitesell, "Admixing Albizia to supply nitrogen for Eucalyptus plantations in Hawaii," p. 209 in Proceedings, IEA/BA Task II Workshop: Production Technology, Economics and Nutrient Cycling, ENFOR Secretariat, Ottawa, Ontario, Canada (1986).

Keywords: Albizia/ Eucalyptus/ nitrogen.

160. D.S. DeBell and C.D. Whitesell, Diameter-Density Relationships Provide Tentative Spacing Guidelines for Eucalyptus saligna in Hawaii, Research Note PSW-397, U.S. Forest Service, Pacific Southwest Forest Experiment Station, Berkeley, California (1988).

Keywords: Eucalyptus saligna/ wood density/ spacing.

161. D.S. DeBell, C.D. Whitesell, and T.B. Crabb, Benefits of Eucalyptus-Albizia Mixtures Vary By Site on Hawaii Island, PSW-187, U.S. Forest Service, Pacific Southwest Forest Experiment Station, Berkeley, California (1987).

Keywords: Eucalyptus/ Albizia/ nitrogen/ site characteristics.

162. D.S. DeBell, C.D. Whitesell, and T.H. Schubert, Mixed Plantations of Eucalyptus and Leguminous Trees Enhance Biomass Production, PSW-175, U.S. Forest Service, Pacific Southwest Forest Experiment Station, Berkeley, California (1985).

Keywords: Eucalyptus/ leguminous trees.

163. D.S. DeBell, C.D. Whitesell, and T.H. Schubert, "Using N2-fixing Albizia to increase growth of Eucalyptus plantations in Hawaii," Forest Science 35:64-75 (1989).

Keywords: Albizia/ Eucalyptus/ biomass/ nitrogen fixation/ legumes.

164. S.M. DeSouza and P. Felker, "The influence of stock plant fertilization on tissue concentrations of N, P, and carbohydrates and the rooting of Prosopis alba cuttings," Forest Ecology and Management 16:181-190 (1986).

Keywords: Prosopis alba/ clonal propagation/ fertilization/ chemical composition.

165. D.R. DeWalle and W.E. Sopper, "Conjunctive use of soil warming and municipal waste water irrigation to enhance woody biomass production," Energy in Agriculture 2:37-50 (1983).

Keywords: poplars, hybrid/ planting density/ irrigation/ sycamores/ sweetgum/ soil warming/ wastewater.

166. D.I. Dickmann, "Physiological determinants of poplar growth under intensive culture," pp. 12-1-12-12 in Poplar Research, Management and Utilization in Canada, Report 12 (Proceedings of the North American Poplar Council Annual Meeting), eds. D.C.F. Fayle, L. Zsuffa and H.W. Anderson, Ontario Ministry of Natural Resources, Ontario, Canada (1979).

Keywords: physiology/ poplars/ growth/ intensive culture.

167. D.I. Dickmann, K.W. Gottschalk, and J.H. Bassman, "Physiological studies of growth and development of young hybrid poplars," pp. 123-132 in Proceedings, 1979 North American Poplar Council Annual Meeting, Poplar Council, Thompsonville, Minnesota (1979).

Keywords: physiology/ poplars, hybrid/ silviculture/ forestry.

168. D.I. Dickmann and M.R. Koelling, Establishing Fuelwood Plantations in Michigan, E-1572, Michigan State University, East Lansing, Michigan (1981).

Keywords: fuelwood/ Michigan/ fuels, fossil.

169. D.I. Dickmann, Z. Liu, P.V. Nguyen, and K.S. Pregitzer, "Photosynthesis, water relations, and growth of two hybrid Populus genotypes during a severe drought," Canadian Journal of Forestry Research 22:1094-1106 (1992).

Keywords: photosynthesis/ water relations/ poplars, hybrid/ poplars/ genotypes/ drought/ rainfall/ nitrogen/ leaf development.

170. D.I. Dickmann, D.A. Michael, J.G. Isebrands, and S. Westin, "Effects of leaf display on light interception and apparent photosynthesis in two contrasting Populus cultivars during their second growing season," Tree Physiology 7:7-20 (1990).

Keywords: poplars/ leaf orientation/ light interception/ photosynthesis.

171. D.I. Dickmann, H.M. Phipps, and D.A. Netzer, Cutting Diameter Influences Early Survival and Growth of Several Populus Clones, NC-261, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1980).

Keywords: poplars/ clonal propagation/ plantations/ hardwoods/ cutting age.

172. D.I. Dickmann and K.S. Pregitzer, "The structure and dynamics of woody plant root systems," pp. 95-123 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: structure/ roots/ ecophysiology/ short rotation woody crops.

173. D.I. Dickmann, K. Steinbeck, and T. Skinner, "Leaf area and biomass in mixed and pure plantations of sycamore and black locust in the Georgia Piedmont," Forest Science 31:509-517 (1985).

Keywords: leaf area/ biomass/ sycamores/ locust, black/ Georgia Piedmont/ Platanus occidentalis/ Robinia pseudoacacia.

174. D.I. Dickmann and K.W. Stuart, The Culture of Poplars in Eastern North America, Hickory Hollow Associates, Dansville, Michigan (1983).

Keywords: poplars.

175. R.E. Dickson, "Diurnal distribution of 14C in cottonwood: changes within the plant and among different chemical fractions," Plant Physiology (Suppl.) 77:116 (1985).

Keywords: Populus deltoides/ cottonwoods/ carbon allocation.

176. R.E. Dickson, "Carbon fixation and distribution in young Populus trees," pp. 409-426 in Proceedings, Crown and Canopy Structure in Relation to Productivity, eds. T. Fujimori and D. Whitehead, Forestry and Forest Products Research Institute, Ibaraki, Japan (1986).

Keywords: poplars/ carbon fixation.

177. R.E. Dickson, "Diurnal changes in leaf chemical constituents and 14C-partitioning in cottonwood," Tree Physiology 3:157-171 (1987).

Keywords: poplars/ leaf development/ carbon allocation/ cottonwoods.

178. R.E. Dickson, "Carbon and nitrogen allocation in trees," eds. E. Dreyer, G. Aussenac, M. Bonnet-Masimbert, P. Dizengremel, J.M. Favre, J.P. Garrec, F. Le Tacon and F. Martin, Annales Des Sciences Forestieres (Forest Tree Physiology) 46 (suppl.):631s-647s (1989).

Keywords: leaf development/ carbon transport/ nitrogen/ nitrogen transport.

179. R.E. Dickson and J.G. Isebrands, "Leaves as regulators of stress response," pp. 3-34 in Response of Plants to Multiple Stresses, eds. H.A. Mooney, W.E. Winner, E.J. Pell and E. Chu, Academic Press, Inc., San Diego, California (1991).

Keywords: shoot development/ carbon allocation/ carbon transport/ clonal variations.

180. R.E. Dickson and J.G. Isebrands, "Carbon allocation terminology: should it be more rational?," Bulletin of the Ecological Society of America 74:175-177 (1993).

Keywords: carbon allocation/ ecosystems/ photosynthetic tissue.

181. R.J. Dinus, D.R. Dimmel, R.P. Feirer, M.A. Johnson, and E.W. Malcolm, Modifying Woody Plants for Efficient Conversion to Liquid and Gaseous Fuels, ORNL/Sub/88-SC006/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: conversion technology/ chemical composition/ biosynthetic processes/ molecular genetics.

182. D.R. Dippon, "Slash and sand pine intensive short rotation culture: economic energy feedstock," pp. 52-57 in Proceedings of the 1985 Southern Forest Biomass Workshop: Seventh Annual Southern Forest Biomass Workshop, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida (1986).

Keywords: pine, slash/ pine, sand/ energy conversion/ economic analysis/ planting density/ rotation length/ biomass/ growth/ yields/ Pinus elliottii.

183. D.R. Dippon, D.L. Rockwood, and C.W. Comer, "Cost sensitivity analysis of Eucalyptus grandis woody biomass systems," pp. 143-156 in Biomass Energy Development, ed. W.H. Smith, Plenum Publishing Corp., New York (1986).

Keywords: Eucalyptus grandis/ intensive culture/ economic analysis/ short rotation woody crops/ planting density/ coppice/ harvesting.

184. C.L. Dobbins, P. Preckel, A. Mdafri, J. Lowenberg-DeBoer, and D. Stucky, Evaluation of Potential Herbaceous Biomass Crops on Marginal Crops Land: 2) Economic Potential, ORNL/Sub/85-27412/5&P2, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: yields/ economic analysis/ species selection/ land quality/ herbaceous energy crops.

185. L.S. Dolan, F. Kropp, and H.G. Sims, "The economics of hardwood fuels produced on biomass plantations," pp. 63-108 in Proceedings, Energy from Biomass and Wastes VI, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1982).

Keywords: economic analysis/ fuelwood/ biomass.

186. R.A. Donahue, T.D. Davis, P.M. Marquardt, C.H. Michler, D.R. Carter, D.E. Riemenschneider, B.E. Haissig, and J.G. Isebrands, "Photosynthetic and growth analysis of genetically modified hybrid poplar," Plant Physiology 99:103 (1992).

Keywords: photosynthesis/ growth patterns/ poplars, hybrid.

187. R.A. Donahue and C.H. Michler, "Effect of glyphosate on chlorophyll fluorescence in transgenic hybrid poplar," Plant Physiology (Abstracts of Papers for the Joint Annual Meeting of the American Society of Plant Physiologists and the Canadian Society of Plant Physiologists) 102:801 (1993).

Keywords: glyphosate/ chlorophyll fluorescence/ poplars, hybrid/ clonal propagation/ herbicide damage/ photosynthetic efficiency.

188. M. Downing and R.L. Graham, "Evaluating a biomass resource: the TVA region-wide biomass resource assessment model," pp. 54-67 in Proceedings of the First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, National Renewable Energy Laboratory, Golden, Colorado (1993).

Keywords: biomass resources/ models/ short rotation woody crops.

189. M. Downing and R.L. Graham, "The role of natural resource and environmental economics in determining the trade-offs in consumption and production of energy inputs: the case of biomass energy crops," pp. 1802-1817 in Proceedings of the First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, National Renewable Energy Laboratory, Golden, Colorado (1993).

Keywords: environmental impacts/ economic analysis/ production/ energy inputs/ energy crops.

190. J.M. Dunlap, J.H. Braatne, T.M. Hinckley, and R.F. Stettler, "Intraspecific variation in photosynthetic traits of Populus trichocarpa," Canadian Journal of Botany 71:1304-1311 (1993).

Keywords: Populus trichocarpa/ cottonwood, black/ poplars/ photosynthesis/ water-use efficiency.

191. J.M. Dunlap, P.E. Heilman, and R.F. Stettler, "Genetic variation and productivity of Populus trichocarpa and its hybrids. V. The influence of ramet position on 3-year growth variables," Canadian Journal of Forestry Research 22:849-857 (1992).

Keywords: poplars/ hybrids/ genetic variations/ clonal propagation.

192. J. Edmonds and W.C. Johnson, The Status of Short Rotation Intensive Culture in Minnesota, Minnesota Department of Natural Resources, St. Paul, Minnesota (1992).

Keywords: poplars/ short rotation intensive culture/ plantation establishment/ site characteristics.

193. A.R. Ehrenshaft, Short Rotation Woody Crops Program Publications and Presentations, ORNL/TM-10848, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1989).

Keywords: short rotation woody crops/ information resources.

194. A.R. Ehrenshaft and L.L. Wright, The SRWCP Database Management System: Users Guide, Data Definitions, and Source Code, ORNL/TM-10820, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1989).

Keywords: short rotation woody crops/ information resources.

195. A.R. Ehrenshaft and L.L. Wright, "The Short Rotation Woody Crops Program data base," Bioresource Technology 36:241-246 (1991).

Keywords: yields/ site characteristics/ models/ short rotation woody crops/ information resources.

196. A.R. Ehrenshaft and L.L. Wright, "ORNL's biofuels feedstock information resources," Biologue 11:35-38 (1993).

Keywords: biofuels/ feedstocks/ information resources/ herbaceous energy crops/ short rotation woody crops.

197. A.R. Ek, Mensurational and Biomass Relations for Populus 'Tristis #1' Under Intensive Culture, NC-260, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1980).

Keywords: management practices/ plantations/ hybrids/ yields/ short rotation intensive culture/ Populus tristis.

198. D.D. Ellis and B.H. McCown, The Potential of Biotechnology in the Biomass Production Program, ORNL/M-606, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: species selection/ economic analysis/ breeding/ biotechnology.

199. B.C. English, R.R. Alexander, K.H. Loewen, S.A. Coady, G.V. Cole, and W.R. Goodman, Development of a Farm-Firm Modelling System for Evaluation of Herbaceous Energy Crops, ORNL/SUB/88-SC616/2, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1991).

Keywords: models, farm-firm/ herbaceous energy crops/ economic analysis.

200. B.C. English, K.D. Dillivan, M.A. Ojo, R.R. Alexander, and R.L. Graham, "An evaluation of the regional supply of biomass at three midwestern sites," pp. 106-111 in Proceedings of the First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, National Renewable Energy Laboratory, Golden, Colorado (1993).

Keywords: biomass/ conversion technology/ biomass resources/ regional analysis.

201. M.J. Etzenhouser and D.R. Betters, Suitability for Short Rotation Tree Plantations in Eastern Colorado, TR94-4, Colorado State University, Fort Collins, Colorado (1994).

Keywords: short rotation woody crops/ plantations/ Colorado/ cottonwoods/ locust, black/ elm, Siberian/ drought resistance.

202. R. Faltonson, D. Thompson, and J.C. Gordon, Propagation of Poplar Clones for Controlled-Environment Studies, NC-81, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1983).

Keywords: poplars/ clonal propagation.

203. "Farm-grown energy taking root in Illinois," Biologue Energy Newsletter 4:4-5 (1987).

Keywords: Illinois/ biomass feedstocks.

204. A.S. Fege and G.N. Brown, "Carbohydrate distribution in dormant Populus shoots and hardwood cuttings," Forest Science 30:999-1010 (1984).

Keywords: poplars/ sugar content/ starch/ hardwoods/ carbohydrates.

205. A.S. Fege and H.M. Phipps, "Effect of collection date and storage conditions on field performance of Populus hardwood cuttings," Canadian Journal of Forestry Research 14:119-123 (1984).

Keywords: poplars/ storage/ clonal propagation.

206. A.S. Fege, J. Zavitkovski, R.C. Schultz, J.O. Dawson, R.B. Hall, T.F. Strong, J.B. Crist, A.R. Ek, J.G. Isebrands, L.M. Moore, M.E. Ostry, and R.L. Verch, ed. E.A. Hansen, Intensive Plantation Culture: 12 Years Research, NC-91, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1983).

Keywords: short rotation woody crops/ biomass plantations/ Alnus/ short rotation intensive culture/ poplars, hybrid/ propagation/ physiology/ production systems/ insects/ diseases/ economic analysis/ alders.

207. P. Felker, "Mesquite: an all purpose arid land tree," pp. 89-132 in New Agricultural Crops. American Association for the Advancement of Science Symposium, Volume 38, ed. G.A. Ritchie, Westview Press, Boulder, Colorado (1979).

Keywords: mesquite/ arid lands.

208. P. Felker, "Uses of tree legumes in semi-arid regions," Economic Botany 32:174-186 (1981).

Keywords: arid lands/ leguminous trees/ semi-arid.

209. P. Felker, "Economic, environmental, and social advantages of intensively managed short rotation mesquite (Prosopis spp) biomass energy farms," Biomass 5:65-77 (1984).

Keywords: mesquite/ Prosopis/ short rotation woody crops.

210. P. Felker, G.H. Cannell, P.R. Clark, J.F. Osborn, and P. Nash, Screening Prosopis (Mesquite) Species for Biofuel Production on Semi-Arid Lands, Texas A&I University, Kingsville, Texas (1982).

Keywords: semi-arid/ selection criteria/ arid lands/ Prosopis.

211. P. Felker, G.H. Cannell, P.R. Clark, J.F. Osborn, and P. Nash, "Biomass production of Prosopis species (mesquite), Leucaena and other leguminous trees grown under heat/drought stress," Forest Science 19:592-606 (1983).

Keywords: Prosopis/ mesquite/ Cercidium floridium/ Olney tesota/ Parkinsonia aculeata/ arid lands/ desertification/ fuelwood/ agroforestry/ leguminous trees/ Leucaena.

212. P. Felker, G.H. Cannell, J.F. Osborn, P.R. Clark, and P. Nash, "Effects of irrigation on biomass production of 32 Prosopis (mesquite) accessions," Expl. Agriculture 19:187-198 (1983).

Keywords: irrigation/ biomass production/ mesquite/ Prosopis.

213. P. Felker and P.R. Clark, "Nitrogen fixation (acetylene reduction) and cross inoculation in 12 Prosopis (mesquite) species," Plant and Soil 57:177-186 (1980).

Keywords: nitrogen fixation/ drought resistance/ semi-arid/ leguminous trees/ rangeland/ Prosopis.

214. P. Felker and P.R. Clark, "Nodulation and nitrogen fixation (acetylene reduction) in desert ironwood (Olneya tesota)," Oecologia 48:292-293 (1981).

Keywords: leguminous trees/ Olney tesota/ nitrogen fixation/ nodulation.

215. P. Felker and P.R. Clark, "Rooting of mesquite (Prosopis) cuttings," Journal of Range Management 34:466-468 (1981).

Keywords: Prosopis/ mesquite/ clonal propagation.

216. P. Felker and P.R. Clark, "Position of mesquite (Prosopis spp.) nodulation and nitrogen fixation (acetylene reduction) in 3-m long phraetophytically simulated soil columns," Plant and Soil 64:297-305 (1982).

Keywords: Prosopis/ nodulation/ nitrogen fixation/ drought resistance/ semi-arid/ leguminous trees/ water potential.

217. P. Felker, P.R. Clark, and G.H. Cannell, "Variation in growth among 13 Prosopis (mesquite) species," Expl. Agriculture 17:209-218 (1981).

Keywords: mesquite/ Prosopis/ growth responses/ nitrogen fixation/ drought resistance/ biomass production/ semi-arid.

218. P. Felker, P.R. Clark, A.E. Laag, and P.F. Pratt, "Salinity tolerance of the tree legumes mesquite (Prosopis glandulosa var. torreyana, P. elutina, and P. articulata), algarrobo (P. chilensis), kiawe (P. pallida), and tamarugo," Plant and Soil (Nitrogen Free Media.) 61:311-317 (1981).

Keywords: leguminous trees/ mesquite/ Prosopis/ salinity/ stress effects.

219. P. Felker, P.R. Clark, P. Nash, J.F. Osborn, and G.H. Cannell, "Screening Prosopis (mesquite) for cold tolerance," Forest Science 28:556-562 (1981).

Keywords: Prosopis/ mesquite/ stress effects/ cold tolerance.

220. P. Felker, P.R. Clark, J.F. Osborn, and G.H. Cannell, "Utilization of mesquite (Prosopis spp.) pods for ethanol production," pp. 65-78 in Tree Crops for Energy Production on Farms, Solar Energy Research Institute, Golden, Colorado (1980).

Keywords: mesquite/ Prosopis/ ethanol.

221. P. Felker, P.R. Clark, J.F. Osborn, and G.H. Cannell, "Biomass estimation in a young stand of mesquite (Prosopis spp.), ironwood (Olneya tesota), and paloverde (Cercidium floridum and Parkinsonia aculeata)," Journal of Range Management 35:87-89 (1982).

Keywords: biomass resources/ Prosopis/ mesquite/ Olney tesota/ Cercidium floridium/ Parkinsonia aculeata/ resource assessment.

222. P. Felker, P.R. Clark, J.F. Osborn, and G.H. Cannell, "Prosopis pod production: a comparison of North American, South American, Hawaiian, and African germplasm in young plantations," Economic Botany 38:36-51 (1984).

Keywords: Prosopis/ genetic variations.

223. P. Felker, J. Meyer, and S. Gronski, Managing Mesquite for Lumber, Cattle and Wildlife, Texas A&I University, Kingsville, TX (1987).

Keywords: mesquite/ Prosopis/ lumber/ wildlife/ management practices/ water.

224. P. Felker and S. Roberson, Mesquite Woodworking, Texas A&I University, Caesar Kleberg Wildlife Research Institute, Kingsville, Texas (1983).

Keywords: mesquite.

225. P. Felker, D. Smith, M. Smith, R.L. Bingham, and I. Reyes, "Evaluation of herbicides for use in transplanting Leucaena leucocephala and Prosopis alba on semi-arid lands without irrigation," Forest Science 3:747-755 (1984).

Keywords: herbicides/ Leucaena leucocephala/ Prosopis alba/ mesquite/ semi-arid/ arid lands.

226. P. Felker, D. Smith, and C. Wiesman, "Influence of mechanical and chemical weed control on growth and survival of tree plantings in semiarid regions," Forest Ecology and Management 16:259-267 (1986).

Keywords: weed control/ Prosopis alba/ Leucaena leucocephala/ herbicides/ semi-arid/ arid lands.

227. P. Felker, D. Smith, C. Wiesman, and R.L. Bingham, "Biomass production of Prosopis alba at 2 non-irrigated field sites in semiarid south Texas," Forest Ecology and Management 29:135-150 (1989).

Keywords: Prosopis alba/ mesquite/ productivity/ semi-arid/ arid lands.

228. K.D. Ferguson, D.W. Rose, D.C. Lothner, and J. Zavitkovski, "Hybrid poplar plantations in the Lake States - a financial analysis," Journal of Forestry 79(10):664-667 (1981).

Keywords: economic analysis/ poplars, hybrid/ plantations.

229. G.W. Fick, "Simple simulation models for yield prediction applied to alfalfa in the Northeast," Agronomy Journal 76:235-239 (1984).

Keywords: models/ growth/ rainfall/ temperature/ soil properties/ alfalfa.

230. G.W. Fick and D.W. Onstad, ALSIM 1 (Level Zero): Description, Performance and User Instructions for a Base-Line Model of Alfalfa Yield and Quality, Mimeo 83-26, New York State College of Agriculture and Life Sciences, Cornell University, Ithaca, New York (1983).

Keywords: models/ growth/ rainfall/ temperature/ soil properties/ alfalfa.

231. G.W. Fick, R.A. Pfeifer, and D.J. Lathwell, "Production patterns of perennial herbaceous biomass crops in the Great Lakes Region," Energy Sources 16:333-348 (1994).

Keywords: soil properties/ soils/ harvesting/ yields/ regression analysis/ herbaceous energy crops/ productivity.

232. J.J. Fillatti, B.E. Haissig, B.H. McCown, L. Comai, and D.E. Riemenschneider, "The development of glyphosate tolerant Populus plants through expression of a mutant aroA gene from Salmonella typhimurium," in Genetic Manipulation of Woody Plants, eds. J.W. Hanover and D. Keathley, Plenum Press, New York (1987).

Keywords: poplars/ glyphosate/ herbicides/ Salmonella typhimerium aroA gene.

233. J.J. Fillatti, J.C. Sellmer, and B.H. McCown, "Regeneration and transformation of Populus tissue," Journal of Horticultural Science 21:773 (1986).

Keywords: poplars/ genetic engineering.

234. J.J. Fillatti, J.C. Sellmer, B.H. McCown, B.E. Haissig, and L. Comai, "Agrobacterium mediated transformation and regeneration of Populus," Molecular and General Genetics 206:192-199 (1987).

Keywords: poplars/ genetic engineering/ Agrobacterium tumefaciens.

235. R.F. Fisher and A.V. Mollitor, "Eucalyptus responds dramatically to fertilization," Agronomy Abstracts (74th Annual Meeting of the American Society of Agronomy) p. 264 (1982).

Keywords: Eucalyptus/ fertilization/ management practices.

236. D. Floyd, National Winter Rapeseed Variety Trial: 1983-84, University of Idaho, College of Agriculture, Moscow, Idaho (1984).

Keywords: rapeseed/ selection criteria.

237. L.J. Frampton Jr. and D.L. Rockwood, "Genetic variation in biomass traits of sand and slash pines," Silvae Genetica 31:18-23 (1983).

Keywords: biomass/ genetic variations/ pine, slash/ pine, sand.

238. D.J. Frederick, "Fuel plantations: a renewable source of energy for North Carolina," pp. 91-92 in Proceedings, Energy Technologies and Policies for North Carolina, Environmental Studies Council, Raleigh, North Carolina (1978).

Keywords: plantations/ renewable energy/ biomass resources.

239. D.J. Frederick, "Biomass relationships of coastal plain hardwoods," pp. 74-80 in Proceedings, Natural Regeneration Short Course, North Carolina State University, Raleigh, North Carolina (1983).

Keywords: hardwoods/ biomass.

240. D.J. Frederick and W.E. Gardner, "Wood as an energy source in North Carolina," pp. 131-132 in Proceedings, Energy Technologies and Policies for North Carolina, Environmental Studies Council, Raleigh, North Carolina (1978).

Keywords: woody crops/ renewable energy/ biomass resources.

241. D.J. Frederick, R.C. Kellison, W.E. Gardner, M. Williford, and T.K. Slichter, "Species selection and silvicultural systems for producing fuels from woody biomass in the southeastern United States," pp. 387-392 in Proceedings, 3rd Annual Biomass Energy Systems Conference, Colorado School of Mines, Golden, Colorado (1979).

Keywords: species selection/ silviculture/ woody crops/ biomass resources.

242. D.J. Frederick, H.A.I. Madgwick, M.F. Jurgensen, and G.R. Oliver, "Dry matter and nutrient relations in 8-year-old Acacia dealbata, Eucalyptus regnans and Pinus radiata," p. 344 in Proceedings, Australian Forest Nutrition Workshop, Commonwealth Scientific and Industrial Research Organization, Canberra, Australia (1981).

Keywords: Acacia dealbata/ Eucalyptus regnans/ Pinus radiata/ dry matter/ nutrient status.

243. D.J. Frederick, H.A.I. Madgwick, M.F. Jurgensen, and G.R. Oliver, "Dry matter content and nutrient distribution in an age series of Eucalyptus regnans plantations in New Zealand," New Zealand Journal of Forestry Science 15:158-179 (1985).

Keywords: biomass/ above-ground components/ leaf litter/ nutrients/ soils/ Eucalyptus regnans.

244. D.J. Frederick, H.A.I. Madgwick, M.F. Jurgensen, and G.R. Oliver, "Dry matter, energy, and nutrient contents of 8-year-old stands of Eucalyptus regnans, Acacia dealbata, and Pinus radiata in New Zealand," New Zealand Journal of Forestry Science 15:142-157 (1985).

Keywords: biomass/ nutrients/ above-ground components/ soils/ nitrogen/ Eucalyptus regnans/ Acacia dealbata/ Pinus radiata.

245. D.J. Frederick, H.A.I. Madgwick, M.F. Jurgensen, and G.R. Oliver, "Seasonal development of a young plantation of Eucalyptus nitens," New Zealand Journal of Forestry Science 16:78-86 (1986).

Keywords: biomass/ litterfall/ nutrients/ Eucalyptus nitens.

246. D.J. Frederick, H.A.I. Madgwick, and G.R. Oliver, "Wood basic density and moisture content of young Eucalyptus regnans grown in New Zealand," New Zealand Journal of Forestry Science 12:494-500 (1982).

Keywords: wood density/ moisture content/ Eucalyptus regnans.

247. D.J. Frederick, H.A.I. Madgwick, G.R. Oliver, and M.F. Jurgensen, "Dry matter and nutrient content of 8-year-old Eucalyptus saligna growing at Taheke Forest," New Zealand Journal of Forestry Science 15:251-254 (1985).

Keywords: biomass/ above-ground components/ nutrients/ soils/ Eucalyptus saligna.

248. D.J. Frederick, M.G. Messina, S.T. Gower, A. Clark III, and D.R. Phillips, "Southeastern wetland hardwood forests: an emerging resource," pp. 277-283 in Proceedings, 1984 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1984).

Keywords: wetlands/ hardwoods/ biomass resources.

249. D.J. Frederick, B.J. Stokes, and D.T. Curtin, "Field trials of a Canadian biomass feller-buncher," pp. 17-22 in Proceedings, 1985 Southern Forest Biomass Workshop, University of Florida, Gainesville, Florida (1986).

Keywords: harvesting.

250. D.J. Frederick, T. Tew, A. Clark III, and D.R. Phillips, Biomass, Nutrient and Energy Content of Upland South Hardwood Forests, North Carolina State University, School of Forest Resources, Raleigh, North Carolina (1987).

Keywords: yields/ nutrient status/ energy content/ hardwoods.

251. A.L. Friend, M.D. Coleman, and J.G. Isebrands, "Carbon allocation to root and shoot systems of woody plants," First International Symposium on the Biology of Adventitious Root Formation, NC-154, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1993).

Keywords: roots/ water/ carbon allocation/ shoot systems/ woody crops.

252. A.L. Friend, M.D. Coleman, and J.G. Isebrands, "Carbon allocation to root and shoot systems of woody plants," pp. 245-273, eds. T.D. Davis and B.E. Haissig, Biology of Adventitious Root Formation, Plenum Press, New York (1994).

Keywords: roots/ water/ carbon allocation/ shoot systems/ woody crops.

253. A.L. Friend, G.E. Scarascia-Mugnozza, J.G. Isebrands, and P.E. Heilman, "Quantification of two-year-old hybrid poplar root systems: morphology, biomass, and 14C distribution," Tree Physiology 8:109-119 (1991).

Keywords: poplars, hybrid/ roots/ morphology/ biomass/ carbon isotopes.

254. W.E. Gardner, "Energy from wood: some perspectives," pp. 87-88 in Proceedings, Energy Technologies and Policies for North Carolina, Environmental Studies Council, Raleigh, North Carolina (1978).

Keywords: renewable energy/ woody crops.

255. R.M. Gareau, D.L. Auld, and M.K. Heikkinen, Evaluation of Seven Species of Oilseeds as Spring Planted Crops for the Pacific Northwest, Progress Report No. 277, University of Idaho, Agriculture Experiment Station, Moscow, Idaho (1990).

Keywords: Brassica/ Eruca sativa/ Pacific Northwest/ oilseeds/ species selection.

256. S. Garton, M.A. Hosier, P.E. Read, and R.S. Farnham, "In vitro propagation of Alnus glutinosa Gaertn," Journal of Horticultural Science 16:758-759 (1981).

Keywords: Alnus glutinosa/ clonal propagation.

257. S. Garton, P.E. Read, and R.S. Farnham, "Effect of stock plant nutrition on the macro- and micro-propagability of Salix," Acta Horticulturae 131:141-151 (1983).

Keywords: Salix/ nutrient status/ propagation.

258. R.L. Geimer and J.B. Crist, "Structural flakeboard from short-rotation, intensively cultured hybrid Populus clones," Forest Products Journal 30:42-48 (1980).

Keywords: structural flakeboard/ short rotation intensive culture/ poplars, hybrid.

259. W.A. Geyer, "Spacing and cutting cycle influence on short-rotation silver maple yield," Tree Planters' Notes 29:5-7, 26 (1978).

Keywords: spacing/ harvesting/ short rotation woody crops/ maple, silver/ biomass/ silage.

260. W.A. Geyer, "Growth, yield, and woody biomass characteristics of seven short-rotation

hardwoods," Wood Science 13:209-215 (1981).

Keywords: growth/ yields/ short rotation woody crops/ hardwoods/ fiber, wood.

261. W.A. Geyer, "Biomass potential in high density (wood grass) trials," pp. 117-123 in Proceedings, Energy from Biomass and Wastes XII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1989).

Keywords: spacing/ maple, silver/ alder, black/ poplars/ sycamores/ willows/ cottonwoods.

262. W.A. Geyer, Great Plains Energy Forest: Final Report, ORNL/Sub/80-07934/7, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1992).

Keywords: short rotation woody crops/ yields/ Kansas/ wood.

263. W.A. Geyer, "Influence of environmental factors on woody biomass productivity in the Central Great Plains, U.S.A.," Biomass and Bioenergy 4:333-337 (1993).

Keywords: biomass/ fuelwood/ short rotation woody crops/ energy crops/ environmental impacts/ climate.

264. W.A. Geyer, R.M. Argent, and W.P. Walawender, "Biomass yield, wood properties and gasification behavior of 7-year-old Siberian elm," Wood and Fiber Science 19:2 (1985).

265. W.A. Geyer, P. Chandler, and G.G. Naughton, "Woody biomass plantations for fuelwood," Transactions of the Kansas Academy of Science 82:86-87 (1979).

Keywords: fuelwood/ woody crops/ plantations.

266. W.A. Geyer and C.E. Long, "Tolerance of direct-seeded honey locust to preemergent herbicides in various soil types," Journal of Environmental Horticulture 6:4-6 (1988).

Keywords: Gleditsia triacanthos/ establishment methods/ toxicity/ herbicides/ survival rate/ growth/ soil types.

267. W.A. Geyer, L. Melichar, and C.E. Long, "Preemergent herbicide trials with direct-seeded black locust grown in different soils," Journal of Arboriculture 13:105-107 (1987).

Keywords: herbicides/ locust, black/ establishment methods/ Robinia pseudoacacia.

268. W.A. Geyer and M.W. Melichar, "Short-rotation forestry research in the United States," Biomass 9:125-133 (1986).

Keywords: short rotation woody crops/ biomass.

269. W.A. Geyer and G.G. Naughton, "Biomass yield and cost analysis (4th year) of various tree species grown under a short-rotation management scheme in eastern Kansas," pp. 315-329 in Proceedings, Central Hardwood Forest Conference III, University of Missouri, Forestry Department, Columbia, Missouri (1980).

Keywords: biomass/ agroforestry/ fuelwood/ short rotation woody crops/ forestry/ rotation length/ economic analysis.

270. W.A. Geyer and G.G. Naughton, "Fuelwood for the University of Kansas steam-generating plant," Transactions of the Kansas Academy of Science 83:134-135 (1980).

Keywords: fuelwood/ energy conversion/ agroforestry.

271. W.A. Geyer, G.G. Naughton, L. Gould, and J. Strine, "Energy forest," Transactions of the Kansas Academy of Science 81:102 (1978).

Keywords: renewable energy/ plantations.

272. W.A. Geyer, G.G. Naughton, and K.L. Lynch, "Variations in energy forest yields in the Great Plains," pp. 121-122 in Proceedings, 1st National Meeting on Biomass R&D for Energy Applications, Solar Energy Research Institute, Golden, Colorado (1984).

Keywords: renewable energy/ plantations/ agroforestry.

273. E.L. Glumac, P. Felker, and I. Reyes, "A comparison of cold tolerance and biomass production in Leucaena leucocephala, L. pulverulenta and L. retusa," Forest Ecology and Management 18:251-271 (1987).

Keywords: Leucaena leucocephala/ Leucaena pulverulenta/ Leucaena retusa/ cold tolerance/ productivity.

274. E.L. Glumac, P. Felker, and I. Reyes, "Correlations between biomass productivity and soil and plant tissue nutrient concentrations for Leucaena leucocephala (K-8) growing on calcareous soils," Forest Ecology and Management 18:241-250 (1987).

Keywords: Leucaena leucocephala/ nutrient status/ soil properties/ productivity.

275. L. Gnewikow, J.P. Colletti, R.C. Schultz, and R.B. Hall, The Amana Project: Linking Agriculture and Forestry Through Sustainable Biomass Production, Fact Sheet, Iowa State University, Department of Forestry, Ames, Iowa (1990).

Keywords: economic analysis/ production.

276. P.D. Goncalves and R.C. Kellison, Potential of Black Alder in the South, Technical Report No. 62, North Carolina State University, School of Forest Resources, Raleigh, North Carolina (1980).

Keywords: taxonomy/ Alnus/ alder, black/ diseases/ insects.

277. W.R. Goodman, S.A. Coady, and B.C. English, "Biomass crop production on representative southeastern U.S. farms: farm profitability, erosion control and the 1985 Food Security Act," Bioresource Technology 36:207-214 (1991).

Keywords: switchgrass/ erosion/ economic analysis/ agricultural policy.

278. S.T. Gower, R. Lea, and D.J. Frederick, "Aboveground energy production and distribution of southeastern hardwood swamp forests," Biomass 7:185-197 (1985).

Keywords: wetlands/ hardwoods/ energy content.

279. S.C. Grado, C.H. Strauss, P.R. Blankenhorn, and T.W. Bowersox, "Short rotation woody biomass plantations: technical requirements and costs for establishment," Biomass 17:277-289 (1988).

Keywords: poplars/ plantation establishment/ nursery, tree/ economic analysis.

280. R.L. Graham, "An analysis of the potential land base for energy crops in the conterminous United States," Biomass and Bioenergy 6:175-189 (1994).

Keywords: land base/ energy crops/ short rotation woody crops/ herbaceous energy crops/ irrigation.

281. R.L. Graham and M. Downing, "Renewable biomass energy: understanding regional scale environmental impacts," pp. 1566-1581 in First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, National Renewable Energy Laboratory, Golden, Colorado (1993).

Keywords: renewable energy/ environmental impacts/ energy crops.

282. R.L. Graham, B.C. English, R.R. Alexander, and M.G. Bhat, "Biomass fuel costs predicted for East Tennessee power plant," Biologue 10:23-26 (1992).

Keywords: biomass/ economic analysis/ Tennessee/ power plant/ short rotation woody crops/ fuels/ feedstocks.

283. R.L. Graham, R.D. Perlack, A.M.G. Prasa, J.W. Ranney, and D.B. Waddle, Greenhouse Gas Emissions in Sub-Saharan Africa, ORNL-6640, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: Africa/ greenhouse gases/ climate change.

284. R.L. Graham, L.L. Wright, and A.F. Turhollow, "The potential for short-rotation woody crops to reduce U.S. CO2 emissions," Climate Change 22:223-238 (1992).

Keywords: short rotation woody crops/ fuels, fossil/ carbon dioxide/ emissions/ biomass.

285. L.V. Griend, M.E. Feldman, and C.L. Peterson, "Modeling combustion of alternative fuels in a DI diesel engine using KIVA," ASAE 33:342-350 (1990).

Keywords: models/ combustion/ fuels, alternative/ diesel fuels.

286. B.E. Haissig, "Tissue culture-based biotechnology for Populus clones," pp. 155-176 in Proceedings, Energy from Biomass and Wastes X, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1987).

Keywords: poplars/ tissue culture.

287. B.E. Haissig, "Future directions in adventitious rooting research," pp. 303-310 in Adventitious Root Formation in Cuttings, eds. T.D. Davis, B.E. Haissig and N. Sankhla, Dioscorides Press, Portland, Oregon (1988).

Keywords: clonal propagation/ tissue culture/ genetic engineering/ roots, adventitious.

288. B.E. Haissig, "Carbohydrate relations during propagation of cuttings from sexually mature Pinus banksiana trees," Tree Physiology 5:319-328 (1989).

Keywords: rooting ability/ photosynthesis/ starch/ metabolism/ propagation.

289. B.E. Haissig, "Removal of the stem terminal and application of auxin change carbohydrates in Pinus banksiana cuttings during propagation," Physiologia Plantarum 77:179-184 (1989).

Keywords: roots, adventitious/ pine, jack/ reducing sugar/ carbohydrates, nonstructural.

290. B.E. Haissig, "Status of forest tree vegetative regeneration for biotechnology," American Biotechnology Laboratory 7:48-51 (1989).

Keywords: clonal propagation/ genetic engineering.

291. B.E. Haissig, "ATP concentrations in Pinus banksiana cuttings during adventitious rooting," Journal of Plant Physiology 136:499-502 (1990).

Keywords: roots, adventitious/ pine, jack/ propagation.

292. B.E. Haissig, "Reduced irradiance and applied auxin influence carbohydrate relations in Pinus banksiana cuttings during propagation," Physiologia Plantarum 78:455-461 (1990).

Keywords: roots, adventitious/ auxin/ irradiance/ pine, jack/ reducing sugar/ starch/ clonal propagation.

293. B.E. Haissig and T.D. Davis, "A historical evaluation of adventitious rooting research to 1993," pp. 275-331, eds. T.D. Davis and B.E. Haissig, Biology of Adventitious Root Formation, Plenum Press, New York (1994).

Keywords: roots, adventitious/ clonal propagation/ harvesting.

294. B.E. Haissig, N.D. Nelson, and G.H. Kidd, "Trends in the use of tissue culture in forest improvement," Biotechnology 5:52-59 (1987).

Keywords: tissue culture/ biotechnology.

295. B.E. Haissig and D.E. Riemenschneider, "Genetic engineering of hybrid poplars for herbicide tolerance," pp. 37-46 in Proceedings, Forest Products Research Conference 1986: Matching Utilization Research with the Needs of Timber Managers, Forest Products Laboratory, Madison, Wisconsin (1986).

Keywords: genetic engineering/ poplars, hybrid/ herbicide resistance/ Agrobacterium tumefaciens/ somaclonal variations.

296. B.E. Haissig and D.E. Riemenschneider, "Genetic effects on adventitious rooting," pp. 47-60 in Adventitious Root Formation in Cuttings, eds. T.D. Davis, B.E. Haissig, and R. Sankhla, Dioscorides Press, Portland, Oregon (1988).

Keywords: tissue culture/ clonal propagation/ harvesting/ breeding.

297. B.E. Haissig and D.E. Riemenschneider, "Strategic planning for applying biotechnology to woody plant genetics and breeding," pp. 485-500 in Micropropagation of Woody Plants, Chapter 29, ed. M.R. Ahuja, Kluwer Academic Publishers, The Netherlands (1993).

Keywords: biotechnology/ genetics/ breeding.

298. P. Hall, "Wood: tomorrow's fuel?," Kansas State Agriculturist 19:12 (1980).

Keywords: woody crops/ biomass resources.

299. R.B. Hall, "Breeding strategy for Alnus, Populus, and Salix," pp. 78-94 in Proceedings of the Joint International Energy Agency Forestry Energy Programme and Food and Agricultural Organization/Cooperative Network on Rural Energy Forest Energy Conference and Workshops on Research in Forestry for Energy. NR 49/1986, eds. C.P. Mitchell, P.O. Nilsson, and L. Zsuffa, Swedish University of Agricultural Science, Sweden (1986).

Keywords: breeding/ Alnus/ poplars/ Salix.

300. R.B. Hall, "Use of the crown competition factor concept to select clones and spacings for short-rotation woody crops," Tree Physiology 14:899-909 (1994).

Keywords: branch characteristics/ carbon allocation/ crown architecture/ genotypes/ poplars/ productivity/ rotation length.

301. R.B. Hall and D. Burgess, "Evaluation of Alnus species and hybrids," Biomass 22:21-34 (1990).

Keywords: seed source/ alders/ cold hardiness/ frost resistance/ stress tolerance, moisture.

302. R.B. Hall, E.R. Hart, and C.S. Duncan, "Screening Alnus for resistance to Fenusa dohrnii (Tischbein)," pp. 116-125 in Proceedings: 1991 Joint Meeting of the Task V Activity Groups on Exchange of Genetic Material, Pest/Disease Management, and Joint Trials of Alnus, Populus, and Salix, Iowa State University Printing Service, Ames, Iowa (1991).

Keywords: screening/ Alnus/ resistance/ Fenusa dohrnii/ hybrids.

303. R.B. Hall, G.A. Miller, T.L. Robison, and O.U. Onokpise, "Developing Alnus for use in intensive culture," Intensive Plantation Culture (12 Years Research), NC-91, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1983).

Keywords: Alnus.

304. R.B. Hall and R.N. Nyong'o, "Design, establishment, and management of a black alder (Alnus glutinosa L. gaertn.) seed orchard," pp. 261-268 in Proceedings, 19th Southern Forest Tree Improvement Conference, National Technical Information Service, Springfield, Virginia (1987).

Keywords: breeding/ flowering/ coppice growth/ alder, black/ plantation management.

305. R.B. Hall, M.E. Ostry, and N.E. Nordh, "IEA joint trials: new lessons from old plantations," Biomass and Bioenergy 2:85-94 (1994).

Keywords: poplars/ Salix/ Alnus/ yields/ diseases/ insects/ coppice.

306. R.B. Hall, M. Sabatti, G.E. Scarascia-Mugnozza, and N. Anselmi, "Developing Populus alba improvement programs in Iowa and Italy," pp. 22-31 in Proceedings of the Second Northern Forest Genetics Association Conference, University of Minnesota, St. Paul, Minnesota (1993).

Keywords: aspens/ breeding/ poplars/ clonal propagation.

307. R.B. Hall and P.H. Wray, "Coppice management of Iowa hardwoods," Forestry Extension Notes, F-327, Iowa State University, Ames, Iowa (1983).

Keywords: forestry/ coppice management/ Iowa/ hardwoods.

308. J.W. Hanover, "Control of tree growth," BioScience 30:756-762 (1980).

Keywords: growth/ woody crops/ growth responses.

309. J.W. Hanover, "Agroforestry comes of age," Futures 4:12-15 (1986).

Keywords: agroforestry.

310. J.W. Hanover, "Physiological genetics of black locust (Robinia pseudoacacia L.): a model multipurpose tree species," p. 9 in International Conference on Fast Growing Trees and Nitrogen Fixing Trees, Philipps University, Marbing, Germany (1989).

Keywords: locust, black/ Robinia pseudoacacia/ growth patterns/ biomass composition.

311. J.W. Hanover and J.W. Hart, "Greenhouse trees," Southern Florist and Nurseryman 93:20-21, 66-69 (1980).

Keywords: greenhouse-grown plants.

312. J.W. Hanover, O. Okafo, J.C. Brissette, and J.W. Wright, A Directory of Forest Genetic Plantings in Michigan, Research Report 395, Michigan State University, Agricultural Experiment Station, East Lansing, Michigan (1980).

Keywords: genetics/ forests/ Michigan.

313. E.A. Hansen, "Root length in young hybrid Populus plantations: its implication for border width of research plots," Forest Science 27:808-814 (1981).

Keywords: plot size/ border effects/ buffer strips/ experimental design/ poplars.

314. E.A. Hansen, "Nutrient sources for fast growing forests: principles, practices, and future directions," pp. 67-73 in Proceedings, IEA/BA Task II Workshop: Production Technology, Economics and Nutrient Cycling, ENFOR Secretariat, Canadian Forestry Service, Ottawa, Ontario, Canada (1986).

Keywords: plantations/ intensive culture/ fertilization/ short rotation woody crops.

315. E.A. Hansen, "Planting date affects survival and height growth of hybrid poplar," The Forestry Chronicle 62:164-169 (1986).

Keywords: poplars/ biomass plantations/ plantation establishment/ short rotation woody crops/ intensive culture.

316. E.A. Hansen, "Research strategy for attaining high yielding Populus energy plantations," pp. 121-132 in Proceedings, Energy from Biomass and Wastes X, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1987).

Keywords: poplars/ experimental design/ plantation management.

317. E.A. Hansen, "Irrigating short rotation intensive culture hybrid poplars," Biomass 16:237-250 (1988).

Keywords: poplars/ biomass/ biomass plantations/ soil properties/ growth/ irrigation.

318. E.A. Hansen, "SRIC yields: a look to the future," pp. 197-207 in Proceedings, IEA/BA Task II Workshop: Economic Evaluations of Short-Rotation Biomass Energy Systems, U.S. Forest Service, Forest Products Laboratory, Madison, Wisconsin (1988).

Keywords: yields/ biomass plantations/ biomass/ short rotation woody crops.

319. E.A. Hansen, Early Yields of Biomass Plantations in North Central U.S., NC-353, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1990).

Keywords: short rotation intensive culture/ biomass plantations/ poplars, hybrid/ yields/ growth/ productivity.

320. E.A. Hansen, "Energy plantations in North Central United States: status of research and development plantations," Energy Sources 13:105-110 (1991).

Keywords: short rotation woody crops/ poplars, hybrid/ short rotation intensive culture/ plantations.

321. E.A. Hansen, "Poplar woody biomass yields: a look to the future," Biomass and Bioenergy 1:1-7 (1991).

Keywords: biomass plantations/ economic analysis/ biomass.

322. E.A. Hansen, Mid-Rotation Yields of Biomass Plantations in the North Central United States, NC-309, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1992).

Keywords: intensive culture/ biomass plantations/ poplars, hybrid/ hybrids/ short rotation woody crops/ yields/ survival rate.

323. E.A. Hansen, "Soil carbon sequestration beneath hybrid poplar plantations in the north central United States," Biomass and Bioenergy 5:431-436 (1993).

Keywords: soils/ carbon sequestration/ poplars, hybrid/ biomass/ biomass plantations/ wood.

324. E.A. Hansen and J.B. Baker, "Biomass and nutrient removal in short rotation intensively cultured plantations," pp. 130-151 in Proceedings, Symposium on Impact of Intensive Harvesting on Forest Nutrient Recycling, State University of New York, Syracuse, New York (1979).

Keywords: dry matter/ coppice/ biomass production/ poplars/ Platanus/ clonal propagation/ nutrient removal.

325. E.A. Hansen, D.H. Dawson, and D.N. Tolsted, "Irrigation of intensively cultured plantations with paper mill effluent," TAPPI 63:5 (1980).

Keywords: effluents/ forestry/ short rotation woody crops/ plantations/ irrigation/ poplars.

326. E.A. Hansen and J.O. Dawson, "Effects of Alnus glutinosa on hybrid Populus height growth in a short-rotation intensively cultured plantation," Forest Science 28:49-59 (1982).

Keywords: Alnus glutinosa/ Populus.

327. E.A. Hansen and R.E. Dickson, "Water and mineral nutrient transfer between root systems of juvenile Populus," Forest Science 25:247-252 (1979).

Keywords: nitrogen/ potassium/ tritiated water/ roots/ grafting/ Populus/ nutrient status.

328. E.A. Hansen, P.E. Heilman, and S. Stroble, "Clonal testing and selection for field plantations," pp. 124-145 in Ecophysiology of Short Rotation Forest Crops, Chapter 5, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1990).

Keywords: clonal propagation/ poplars, hybrid/ yields/ North America.

329. E.A. Hansen and H.A.I. Madgwick, "Short-rotation plantation management for coniferous species," pp. 212-229 in Proceedings, Research in Forestry for Energy, Swedish University of Agricultural Sciences, Department of Operational Efficiency, Garpenburg, Sweden (1985).

Keywords: pines/ larch/ plantation management/ conifers/ short rotation woody crops.

330. E.A. Hansen and H.A.I. Madgwick, "Short-rotation plantation management technology for coniferous species," pp. 212-228 in Proceedings of the Joint International Energy Agency/Forestry Energy Programme and Food and Agricultural Organization/Cooperative Network on Rural Energy Forest Energy Conference and Workshops on Research in Forestry for Energy, eds. C.P. Mitchell, P.O. Nilsson and L. Zsuffa, Swedish University of Agricultural Sciences, Rungstedghaard, Denmark (1986).

Keywords: conifers/ short rotation woody crops/ plantation management/ intensive culture.

331. E.A. Hansen, R.A. McLaughlin, and P.E. Pope, "Biomass and nitrogen dynamics of hybrid poplar on two different soils: implications for fertilization strategy," Canadian Journal of Forestry Research 18:223-230 (1988).

Keywords: poplars/ fertilization/ nitrogen.

332. E.A. Hansen, H.A. McNeel, D.A. Netzer, H.M. Phipps, P.S. Roberts, T.F. Strong, D.N. Tolsted, and J. Zavitkovski, "Short-rotation intensive culture practices for northern Wisconsin," pp. 47-63 in Proceedings, 16th Annual Meeting, North American Poplar Council, Joint Meeting of the United States and the Canadian Chapters, North American Poplar Council, Filer City, Michigan (1979).

Keywords: short rotation intensive culture/ poplars, hybrid/ site preparation/ irrigation/ Wisconsin/ poplars.

333. E.A. Hansen and M.J. Morin, "Short rotation plantation tending: biological needs and mechanization," pp. 37-42 in Short Rotation Forest Biomass Production Technology and Mechanization, eds. P.O. Nilsson and L. Zsuffa, Swedish University of Agricultural Sciences, Department of Operational Efficiency, Garpenburg, Sweden (1983).

Keywords: plantation management/ short rotation woody crops.

334. E.A. Hansen and D.A. Netzer, "Geese, grass, and trees," Tree Planters' Notes 35:10-11 (1984).

Keywords: biomass resources/ energy crops.

335. E.A. Hansen and D.A. Netzer, Weed Control Using Herbicides in Short-Rotation Intensively Cultured Poplar Plantations, NC-260, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1985).

Keywords: poplars/ competition/ linuron/ glyphosate/ weed control.

336. E.A. Hansen and D.A. Netzer, Hybrid Poplar Stool Spacing: Effects on Hardwood Cutting Production, NC-278, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1986).

Keywords: nursery, forest/ clonal orchards/ cutting orchards/ short rotation woody crops/ poplars.

337. E.A. Hansen, D.A. Netzer, and W.J. Rietveld, Site Preparation for Intensively Cultured Hybrid Poplar Plantations, NC-320,

U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1984).

Keywords: short rotation intensive culture/ weed control/ glyphosate/ linuron/ no-till/ fallowing/ plantation establishment/ poplars, hybrid.

338. E.A. Hansen, D.A. Netzer, and W.J. Rietveld, Weed Control for Establishing Intensively Cultured Hybrid Poplar Plantations, NC-317, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1984).

Keywords: poplars/ short rotation intensive culture/ plantation establishment/ cultivation/ nitrogen fixation/ weed control.

339. E.A. Hansen, D.A. Netzer, and D.N. Tolsted, Guidelines for Establishing Poplar Plantations in the North-Central U.S., NC-363, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1993).

Keywords: poplars, hybrid/ plantations/ short rotation woody crops/ biomass.

340. E.A. Hansen, D.A. Netzer, and R.F. Woods, "Tillage superior to no-till for establishing hybrid poplar plantations," Tree Planters' Notes 37:6-10 (1986).

Keywords: poplars/ plantation establishment/ cultivation/ no-till.

341. E.A. Hansen and H.M. Phipps, How to Grow Hybrid Poplars, NC-49, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1981).

Keywords: poplars, hybrid/ establishment methods/ management practices.

342. E.A. Hansen and H.M. Phipps, "Effect of soil moisture tension and preplant treatments on early growth of hybrid Populus hardwood cuttings," Canadian Journal of Forestry Research 13:458-464 (1983).

Keywords: Populus/ soil properties/ pretreatments/ establishment methods.

343. E.A. Hansen, H.M. Phipps, and D.N. Tolsted, "Rooting greenwood tip cuttings

of a difficult-to-root Populus clone," Tree Planters' Notes 30:9-11 (1979).

Keywords: poplars/ hybrids/ clonal propagation/ rooting ability.

344. E.A. Hansen and D.N. Tolsted, "Effects of cutting diameter and stem or branch position on establishment of a difficult-to-root clone of a Populus alba hybrid," Canadian Journal of Forestry Research 11:723-727 (1981).

Keywords: harvesting/ clonal propagation/ Populus alba/ establishment methods.

345. E.A. Hansen and D.N. Tolsted, "Nitrogen sources and fertilizer rates affect growth of hybrid poplar," pp. 71-77 in Proceedings, Fifth Central Hardwood Forest Conference, eds. J.O. Dawson and K.A. Majerus, University of Illinois, Department of Forestry, Urbana-Champaign, Illinois (1985).

Keywords: nitrogen/ fertilization/ poplars, hybrid.

346. E.A. Hansen, D.N. Tolsted, and M. Tower, Planting Depth of Hybrid Poplar Cuttings Influences Number of Shoots, NC-355, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1991).

Keywords: multiple shoots/ stems/ short rotation intensive culture/ biomass/ poplars, hybrid/ establishment methods.

347. P.H. Hansen, R.E. McRoberts, J.G. Isebrands, and R.K. Dixon, "An optimum sampling strategy for measuring CO2 rates," Plant Physiology (Suppl.) 77:40 (1985).

Keywords: experimental design/ carbon dioxide exchange rate.

348. P.H. Hansen, R.E. McRoberts, J.G. Isebrands, and R.K. Dixon, "Determining CO2 exchange rate as a function of photosynthetic photon flux density," Photosynthetica 21:98-101 (1987).

Keywords: photosynthesis/ carbon dioxide exchange rate.

349. M.O. Harrell, D.M. Benjamin, J.G. Berbee, and T.R. Burkot, "Evaluation of adult cottonwood leaf beetle, Chrysomela scripta (Coleoptera: Chrysomelidae), feeding preference for hybrid poplars," Great Lakes Entomology 14:181-184 (1981).

Keywords: Chrysomela scripta/ Populus/ pests.

350. M.O. Harrell, D.M. Benjamin, J.G. Berbee, and T.R. Burkot, "Consumption and utilization of leaf tissue-cultured Populus x Euramericana by the cottonwood leaf beetle, Chrysomela scripta (Coleoptera: Chrysomelidae)," Canadian Entomology 144:743-749 (1982).

Keywords: Populus/ euramericana/ Chrysomela scripta/ pests.

351. C.A. Harrington, "Silviculture of western hardwoods," pp. 28-32 in Proceedings, 1982 Convention of the Society of American Foresters, Society of American Foresters, Bethesda, Maryland (1983).

Keywords: silviculture/ hardwoods.

352. C.A. Harrington, "Factors influencing initial sprouting of red alder," Canadian Journal of Forestry Research 14:357-361 (1984).

Keywords: sprouting/ Alnus rubra/ stump height/ alder, red.

353. C.A. Harrington, "Site quality prediction for red alder," Agronomy Abstracts p. 260 (1984).

Keywords: site characteristics/ alder, red.

354. C.A. Harrington, A Method of Site Quality Evaluation for Red Alder, PNW-192, U.S. Forest Service, Pacific Northwest Research Station, Portland, Oregon (1986).

Keywords: site characteristics/ models/ alder, red/ Alnus rubra.

355. C.A. Harrington and R.O. Curtis, Height Growth and Site Index Curves for Red Alder, PNW-358, U.S. Forest Service, Pacific Northwest Research Station, Portland, Oregon (1986).

Keywords: growth/ site characteristics/ alder, red/ Alnus rubra.

356. C.A. Harrington and D.S. DeBell, "Variation in specific gravity of red alder (Alnus rubra Bong.)," Canadian Journal of Forestry Research 10:293-299 (1980).

Keywords: alder, red/ Alnus rubra/ silviculture/ growth patterns.

357. C.A. Harrington and D.S. DeBell, "Effects of irrigation, pulp mill sludge, and repeated coppicing on growth and yield of black cottonwood and red alder," Canadian Journal of Forestry Research 14:844-849 (1983).

Keywords: Populus trichocarpa/ Alnus rubra/ harvesting/ irrigation/ sludge/ coppice.

358. D.E. Harry and R.R. Sederoff, Biotechnology in Biomass Crop Production: The Relationship of Biomass Production and Plant Genetic Engineering, ORNL/M-978, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1989).

Keywords: tissue culture/ plant regeneration/ genetic engineering/ growth patterns/ resistance/ environmental impacts.

359. E.R. Hart, R.B. Hall, and R.D. Hanna, "Dispersal of Fenusa dohrnii (Hymenoptera: Tenthredenidae) from an Alnus short-rotation forest plantation," The Great Lakes Entomologist 24:63-68 (1991).

Keywords: leafminer, European alders/ Fenusa dohrnii/ insects/ pests/ short rotation woody crops/ plantations.

360. E.R. Hart, H.S. McNabb Jr., and R.B. Hall, "The role of host genetics in the biological control of forest insect pests," pp. 94-101 in Proceedings of the 44th Annual Meeting - Biological Control of Forest Pests in the Great Plains: Status and Needs, Great Plains Agricultural Council, N.p. (1992).

Keywords: host-pathogen/ biological control/ insects/ biomass plantations/ poplars.

361. E.R. Hart, D.G. Petty, R.B. Hall, D.A. Herms, R.D. Hanna, and J.N. Kean, "Activity of Fenusa dohrnii (Hymenoptera: Tenthredenidae) on Alnus in the north central United States," Environmental Entomology 20:534-539 (1991).

Keywords: insects/ phenology/ Fenusa dohrnii/ Alnus/ Fenusa dohrnii.

362. C.F. Heebner and M.J. Bergener, Red Alder: A Bibliography with Abstracts, PNW-161,

U.S. Forest Service, Pacific Northwest Forest and Range Experiment Station, Portland, Oregon (1983).

Keywords: alder, red/ Alnus rubra.

363. P.E. Heilman, "Use of alder in coal spoil reclamation in the Pacific Northwest," p. 477 in Symbiotic Nitrogen Fixation in the Management of Temperate Forests, eds. J.C. Gordon, C.T. Wheeler and D.A. Perry, Oregon State University, Forest Research Laboratory, Corvallis, Oregon (1979).

Keywords: alders/ coal spoils/ reclamation.

364. P.E. Heilman, "Benefits of wood biomass make cultivation essential," Weeds, Trees and Turf 20:38-40 (1981).

Keywords: wood biomass/ cultivation.

365. P.E. Heilman, "Nitrogen and organic matter accumulation in coal mine spoils supporting red alder stands," Canadian Journal of Forestry Research 12:809-813 (1982).

Keywords: alder, red/ coal spoils/ nitrogen/ organic matter/ reclamation.

366. P.E. Heilman, "Nodulation and nitrogen fixation by red alder and sitka alder on coal mine spoils," Canadian Journal of Forestry Research 12:991-997 (1982).

Keywords: alder, red/ alders/ coal spoils/ nitrogen fixation/ nodulation/ reclamation.

367. P.E. Heilman, "Sampling and genetic variation of foliar nitrogen in black cottonwood and its hybrids in short rotation," Canadian Journal of Forestry Research 15:1137-1141 (1985).

Keywords: nitrogen, foliar/ cottonwood, black/ hybrids/ short rotation woody crops.

368. P.E. Heilman, "Research and development and operational forest fertilization, northwest United States," pp. 129-138 in Proceedings, IEA/BA Task II Workshop: Production Technology, Economics and Nutrient Cycling, ENFOR Secretariat, Ottawa, Ontario, Canada (1986).

Keywords: fertilization/ forests/ management practices.

369. P.E. Heilman, "A new beginning in forestry: high yield plantations," Washington Lands and People 2:8-12 (1988).

Keywords: forestry/ plantation management.

370. P.E. Heilman, "Growth of Douglas fir and red alder on coal spoils in western Washington," Soil Science Society of America Journal 54:522-527 (1990).

Keywords: fir, Douglas/ alder, red/ coal spoils/ Washington/ fertilization/ restoration.

371. P.E. Heilman, "Sustaining production: nutrient dynamics and soils," pp. 216-230 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: production/ nutrients/ soils/ forestry/ environmental impacts.

372. P.E. Heilman and G. Ekuan, "Effect of planting stock length and spacing on growth of black cottonwood," Forest Science 25:439-443 (1979).

Keywords: poplars/ Populus trichocarpa/ establishment methods/ tree quality/ bole crookedness.

373. P.E. Heilman, G. Ekuan, and D.B. Fogle, "Above- and below-ground biomass and fine roots of four-year-old hybrids of Populus trichocarpa x P. deltoides and parental species in short rotation culture," Canadian Journal of Forest Research 24:1186-1192 (1994).

Keywords: biomass/ roots/ hybrids/ Populus trichocarpa/ Populus deltoides/ short rotation intensive culture.

374. P.E. Heilman, G. Ekuan, and D.B. Fogle, "First-order root development from cuttings of Populus trichocarpa x P. deltoides hybrids," Tree Physiology 14:911-920 (1994).

Keywords: roots/ poplars/ Populus/ propagation.

375. P.E. Heilman and X. Fu-Guang, "Influence of nitrogen on growth and productivity of short-rotation Populus trichocarpa x Populus deltoides hybrids," Canadian Journal of Forestry Research 23:1863-1869 (1993).

Keywords: nitrogen/ growth/ productivity/ Populus trichocarpa/ Populus deltoides/ hybrids/ short rotation woody crops.

376. P.E. Heilman and X. Fu-Guang, "Effects of nitrogen fertilization on leaf area, light interception and productivity of short rotation Populus trichocarpa x Populus deltoides hybrids," Canadian Journal of Forest Research 24:166-173 (1994).

Keywords: nitrogen/ fertilization/ leaf area/ light interception/ productivity/ short rotation woody crops/ poplars/ hybrids.

377. P.E. Heilman and D.V. Peabody Jr., "Effect of harvest cycle and spacing on productivity of black cottonwood in intensive culture," Canadian Journal of Forestry Research 11:118-123 (1981).

Keywords: coppice/ poplars/ productivity/ harvest cycles/ spacing.

378. P.E. Heilman and R.F. Stettler, "Phytomass production in young mixed plantations of Alnus rubra Bong. and cottonwood in western Washington," Canadian Journal of Microbiology 19:1007-1013 (1983).

Keywords: Alnus rubra/ cottonwoods/ biomass production.

379. P.E. Heilman and R.F. Stettler, "Mixed, short-rotation culture of red alder and black cottonwood: growth, coppicing, nitrogen fixation and allelopathy," Forest Science 31:607-616 (1985).

Keywords: alder, red/ cottonwood, black/ nitrogen fixation/ growth/ allelopathic effects.

380. P.E. Heilman and R.F. Stettler, "Nutritional concerns in selection of black cottonwood and hybrid clones for short rotation," Canadian Journal of Forestry Research 16:860-863 (1986).

Keywords: cottonwood, black/ species selection/ nutrients.

381. P.E. Heilman and R.F. Stettler, "Genetic variation and productivity of Populus trichocarpa and its hybrids. IV. Performance in short-rotation coppice," Canadian Journal of Forestry Research 20:1257-1264 (1990).

Keywords: sprouting/ growth/ yields/ Populus trichocarpa/ coppice/ genetic variations.

382. P.E. Heilman, R.F. Stettler, D.P. Hanley, and R.W. Carkner, High Yield Hybrid Poplar Plantations in the Pacific Northwest, PNW356, U.S. Forest Service, Pacific Northwest Research Station, Portland, Oregon (1990).

Keywords: poplars/ plantation management/ harvesting.

383. D.E. Hibbs, D.S. DeBell, and R.F. Tarrant (eds.), The Biology and Management of Red Alder, Oregon State University Press, Corvallis, Oregon (1994).

Keywords: alder, red/ fertilization/ nitrogen fixation/ genetics/ economic analysis.

384. K.W. Hilu, S. Boyd, and P. Felker, "Morphological diversity and taxonomy of California mesquites (Prosopis, Leguminosae)," Madrono 29:237-254 (1982).

Keywords: mesquite/ Prosopis/ morphology/ taxonomy.

385. T.M. Hinckley, J.H. Braatne, R.J. Ceulemans, P. Clum, J.M. Dunlap, D. Newman, B. Smith, G.E. Scarascia-Mugnozza, and E. Van Volkenburgh, "Growth dynamics and canopy structure," pp. 1-34 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: growth patterns/ crown architecture/ physiology/ morphology/ genetics.

386. T.M. Hinckley and R.J. Ceulemans, "Current focuses in woody plant water relations and drought resistance," Annales Des Sciences Forestieres 46:515s-518s (1989).

Keywords: drought resistance/ stomatal behavior/ water relations/ woody crops.

387. T.M. Hinckley, R.J. Ceulemans, J.M. Dunlap, A.L. Figliola, P.E. Heilman, J.G. Isebrands, G.E. Scarascia-Mugnozza, P.J. Schulte, B. Smith, R.F. Stettler, E. Van Volkenburgh, and B.M. Wiard, "Physiological, morphological and anatomical components of hybrid vigor in Populus," pp. 199-217 in Structural and Functional Responses to Environmental Stresses, eds. K.H. Kreeb, H. Richter and T.M. Hinckley, SPB Academic Publishing bv, The Hague, The Netherlands (1989).

Keywords: stomatal behavior/ turgor maintenance/ crown architecture/ photosynthesis/ carbon allocation/ Populus/ hybrids.

388. T.M. Hinckley, H. Richter, and P.J. Schulte, "Water relations," pp. 137-162 in Physiology of Trees, ed. A.S. Raghavendra, John Wiley and Sons, Inc., New York (1991).

Keywords: water relations/ water balance/ stress episodes/ plant water status/ transpiration/ drought.

389. J.W. Hodges, The Short Rotation Woody Crops Program Computerized Technical Data Base System, ORNL/TM-9959, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1986).

Keywords: short rotation woody crops/ information resources.

390. W.G. Hohenstein and L.L. Wright, "Biomass energy production in the United States: an overview," Biomass and Bioenergy 6:161-173 (1994).

Keywords: biomass/ herbaceous energy crops/ short rotation woody crops/ environmental impacts/ economic analysis/ biomass feedstocks.

391. R.H. Hokans and W.B. Stuart, "Yard-to-mill woodflow scheduling by microcomputer," Southern Journal of Applied Forestry 7:50-53 (1983).

Keywords: biomass feedstocks/ forest products/ processing.

392. K.E. Holt, H.S. McNabb Jr., M.A. Rothlauf, F.G. Manwiller, and M.E. Ostry, "Characteristics of kraft paper made from Septoria cankered Populus grown under short-rotation, intensive culture," Phytopathology 1:226 (1981).

Keywords: Septoria/ Populus/ paper.

393. D.D. Hook, D.S. DeBell, A. Ager, and D.W. Johnson, "Dry weight partitioning among 36 open-pollinated red alder families," Biomass 21:11-25 (1989).

Keywords: Alnus/ growth/ leaf area/ leaf development/ harvest index, stem/ elevation/ drainage system/ harvest index, woody.

394. D.D. Hook, M.D. Murray, D.S. DeBell, and B.C. Wilson, "Variation in growth of red alder families in relation to shallow water table levels," Forest Science 33:224-229 (1987).

Keywords: Alnus rubra/ waterlogged soils/ genetic variations/ soils/ waterlogging tolerance/ growth/ water availability.

395. C. Hooper, M.F. Bolin, J.J. Jokela, G.L. Rolfe, and T.A. White, Fuelwood Plantations, Circular 1236, University of Illinois, College of Agriculture, Cooperative Extension Service, Urbana-Champaign, Illinois (1985).

Keywords: fuelwood/ plantation management.

396. A.A. Hopkins, K.P. Vogel, K.J. Moore, K.D. Johnson, and I.T. Carlson, "Genotype and genotype X environment interaction effects on forage yield of switchgrass in the midwestern states," pp. 184-219 in 1993 American Forage and Grassland Council Proceedings, 'The Dollar & Sense of Forages', American Forage and Grassland Council, Iowa Forage and Grassland Council, Des Moines, Iowa (1993).

Keywords: genotypes/ environmental impacts/ forage yields/ switchgrass/ biomass.

397. M.A. Hosier, S. Garton, P.E. Read, and R.S. Farnham, "In vitro propagation of Alnus glutinosa," Journal of Horticultural Science 16:758-759 (1981).

Keywords: Alnus glutinosa/ clonal propagation.

398. G.E. Host, "An ecophysiological whole tree approach to modelling tree growth," pp. 15-21 in Forestry Canada Modeling Working Group, Proceedings of the Fifth Modeling Workshop, Forestry Canada, Alberta, Canada (1991).

Keywords: ecophysiology/ models/ growth/ models, global/ carbon allocation/ carbohydrates/ ecosystems/ models, ECOPHYS/ poplars.

399. G.E. Host and J.G. Isebrands, "An interregional validation of ECOPHYS, a growth process model of juvenile poplar

clones," Tree Physiology 14:933-945 (1994).

Keywords: photosynthesis/ poplars/ short rotation woody crops/ models/ models, ECOPHYS.

400. G.E. Host and H.M. Rauscher, "Validating the regional applicability of a whole-plant ecophysiological growth process model of juvenile poplar," pp. 97-106 in Proceedings of the IUFRO Conference, Forest Simulation Systems, eds. L.C. Wensel and G.S. Biging, University of California, Berkeley, California (1990).

Keywords: models/ poplars/ photosynthates.

401. G.E. Host, H.M. Rauscher, J.G. Isebrands, D.I. Dickmann, R.E. Dickson, T.R. Crow, and D.A. Michael, The Microcomputer Scientific Series #6: The ECOPHYS User's Manual, NC-141, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1990).

Keywords: poplars/ whole-tree process model/ short rotation intensive culture/ photosynthesis/ carbon allocation/ models, ECOPHYS.

402. G.E. Host, H.M. Rauscher, J.G. Isebrands, and D.A. Michael, "Validation of the photosynthate production submodel of ECOPHYS, an ecophysiological growth process model of Populus," in ECOPHYS: Dynamics of Ecophysiological Processes in Tree Crowns and Forest Canopies, International Workshop, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1989).

Keywords: models/ light/ temperature/ leaf development/ models, ECOPHYS.

403. G.E. Host, H.M. Rauscher, J.G. Isebrands, and D.A. Michael, "Validation of photosynthate production in ECOPHYS, an ecophysiological growth process model of Populus," Tree Physiology 7:283-296 (1990).

Keywords: poplars/ models/ leaf area/ photosynthetic efficiency/ models, ECOPHYS.

404. C.A. Huetteman, J.E. Preece, W.C. Ashby, and P.L. Roth, "First-year field performance of 60 micropropagated silver maple clones in southern Illinois," HortScience [89th Annual Meeting of the American Society for

Horticultural Science] 27:228 (1992).

Keywords: clonal propagation/ maple, silver/ tissue culture/ Illinois/ plastic mulch/ drought/ irrigation/ erosion/ weeds.

405. J.B. Huffman, "Wood and bark utilization research: a progress report," pp. 37-68 in Proceedings, Melaleuca Symposium, ed. R.K. Gieger, Florida Division of Forestry, Tallahassee, Florida (1981).

Keywords: Melaleuca/ wood production.

406. J.B. Huffman and S. Wang, "Heat of combustion of Melaleuca biomass," Forest Products Research Society Abstracts 34:24 (1980).

Keywords: Melaleuca/ combustion heat.

407. J.G. Hutchinson, "Fast-growing young poplars make good panels, study says," Forest Industries 1981:58-59 (1981).

Keywords: poplars/ by-products.

408. J.G. Isebrands, "Reaction wood anatomy and its effect on kraft paper from short rotation intensively cultured trees," International Association of Wood Anatomists (IAWA) Bulletin 2:57-58 (1981).

Keywords: wood anatomy/ kraft pulp/ short rotation intensive culture/ poplars.

409. J.G. Isebrands, "Toward a physiological basis of intensive culture of poplar," pp. 81-90 in Proceedings, 1982 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1982).

Keywords: silviculture/ management practices/ perennials/ poplars.

410. J.G. Isebrands, "Biotechnology applications in forestry: an industrial perspective," p. 3 in Proceedings, 1984 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1984).

Keywords: biotechnology/ forestry.

411. J.G. Isebrands, "Production physiology at the whole-tree level," p. 2 in Proceedings, 1986 Annual Meeting U.S. Poplar Council, University of Washington, Seattle, Washington (1986).

Keywords: poplars/ growth models.

412. J.G. Isebrands and T.E. Burk, "Ecophysiological growth process models of short rotation forest crops," pp. 231-265 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: ecophysiology/ growth models/ short rotation woody crops.

413. J.G. Isebrands, R.J. Ceulemans, and B.M. Wiard, "Genetic variation in photosynthetic traits among Populus clones in relation to yield," Plant Physiology and Biochemistry 26:427-437 (1988).

Keywords: poplars/ cottonwoods/ carbon dioxide exchange rate/ growth/ productivity.

414. J.G. Isebrands and R.E. Dickson, "Measuring carbohydrate production and distribution: radiotracer techniques and applications," pp. 357-392 in Techniques and Approaches in Forest Tree Ecophysiology, eds. J.P. Lassoie and T.M. Hinckley, CRC Press, Inc., Boca Raton, Florida (1991).

Keywords: carbon isotopes/ carbohydrates.

415. J.G. Isebrands, D.W. Einspahr, J.E. Phelps, and J.B. Crist, "Kraft pulp and paper properties of juvenile hybrid larch grown under intensive culture," TAPPI 65:122-126 (1982).

Keywords: Larix eurolepsis/ pulp mixtures/ whole-tree chips/ tear strength/ wood density/ scanning electron microscopy/ bleaching/ kraft pulp.

416. J.G. Isebrands, A.R. Ek and R.S. Meldahl, "Comparison of growth model and harvest yields of short rotation intensively cultured Populus: a case study," Canadian Journal of Forestry Research 12:58-63 (1982).

Keywords: Populus/ growth models.

417. J.G. Isebrands and D.A. Michael, "Effects of leaf morphology and orientation on solar radiation interception and photosynthesis in Populus," pp. 359-381 in Proceedings, Crown and Canopy Structure in Relation to Productivity, eds. T. Fujimori and D. Whitehead, Forestry and Forest Products Research Institute,

Ibaraki, Japan (1986).

Keywords: poplars/ leaf development/ solar radiation/ leaf orientation/ photosynthetic efficiency/ Populus trichocarpa/ Populus deltoides/ hybrids/ clonal propagation/ leaf composition/ crown architecture/ biomass production.

418. J.G. Isebrands and N.D. Nelson, "Apportionment of 14C-labeled photosynthate within intensively cultured Populus trees," Plant Physiology (Suppl.) 65:211 (1980).

Keywords: Populus/ photosynthates/ photosynthetic efficiency.

419. J.G. Isebrands and N.D. Nelson, "Crown architecture of short-rotation, intensively cultured Populus: II. Branch morphology and distribution of leaves within the crown of Populus 'Tristis' as related to biomass production," Canadian Journal of Forestry Research 12:853-864 (1983).

Keywords: photosynthetic efficiency/ crown architecture/ short rotation woody crops/ poplars/ branch characteristics/ Populus tristis/ biomass production/ Wisconsin/ leaf composition.

420. J.G. Isebrands and N.D. Nelson, "Distribution of (14C)-labeled photosynthates within intensively cultured Populus clones during the establishment year," Physiologia Plantarum 59:9-18 (1983).

Keywords: photosynthetic efficiency/ carbon isotopes/ poplars/ phenology/ Populus tristis/ Populus balsamifera/ euramericana/ shoot development/ clonal propagation/ cottonwood, hybrids.

421. J.G. Isebrands, H.M. Rauscher, T.R. Crow, and D.I. Dickmann, "Whole-tree growth process models based on structural-functional relationships," pp. 96-112 in Process Modeling of Forest Growth Responses to Environmental Stress, eds. R.K. Dixon, R.S. Meldahl, G.A. Ruark, and W.G. Warren, Timber Press, Inc., Portland, Oregon (1989).

Keywords: photosynthesis/ respiration/ carbon allocation/ expert systems/ poplars/ physiology/ stress effects/ genetics/ breeding.

422. J.G. Isebrands, J.A. Sturos, and J.B. Crist, "Alternatives for the integrated utilization of short rotation intensively cultured Populus raw material," pp. 181-187 in Proceedings, 1979 TAPPI Annual Meeting, TAPPI Press, Atlanta, Georgia (1979).

Keywords: short rotation intensive culture/ biomass/ Populus/ by-products.

423. J.G. Isebrands, J.A. Sturos, and J.B. Crist, "Integrated utilization of biomass: a case study of short rotation intensively cultured Populus raw material," TAPPI 62:67-70 (1979).

Keywords: short rotation woody crops/ poplars/ biomass/ kraft pulp.

424. D.W. Johnson and V.H. Dale, "Nitrogen cycling models and their application to forest harvesting," p. 35 in Proceedings, IEA/BA Task II Workshop: Production Technology, Economics and Nutrient Cycling, eds. R. Evers, E. White, B. Barkley and L. Zsuffa, International Energy Agency, Ottawa, Ontario, Canada (1986).

Keywords: nitrogen/ forests/ nutrient management.

425. D.W. Johnson, J.M. Kelly, W.T. Swank, D.W. Cole, H. Van Miegroet, J.W. Hornbeck, R.S. Pierce, and D.H. Van Lear, "The effects of leaching and whole-tree harvesting on cation budgets of several forests," Journal of Environmental Quality 17:418-424 (1988).

Keywords: nutrient management/ forests/ whole-tree utilization.

426. D.W. Johnson and D.E. Todd, "Nutrient export by leaching and whole-tree harvesting in a loblolly pine and mixed oak forest," Plant and Soil 102:99-109 (1987).

Keywords: nutrient management/ Pinus taeda/ forests/ whole-tree utilization/ oaks.

427. D.W. Johnson and D.E. Todd, "Nitrogen fertilization of young yellow-poplar and loblolly pine plantations at differing frequencies," Soil Science Society of America Journal 52:1468-1477 (1988).

Keywords: Pinus taeda/ Liriodendron tulipifera/ growth responses/ nitrogen fertilization.

428. D.W. Johnson, D.C. West, D.E. Todd, and L.K. Mann, "Effects of sawlog vs. whole-tree harvesting on the nitrogen, phosphorus, potassium, and calcium budgets of an upland mixed oak forest," Soil Science Society of America Journal 46:1304-1309 (1982).

Keywords: oaks/ residues/ nutrient removal/ forest structure.

429. G.R. Johnson and R.C. Kellison, "Sycamore seedlings from the nursery: not the same genetic composition as the collected seedlot," Tree Planters' Notes 35:34-35 (1984).

Keywords: sycamores/ seedlings/ genetic variations.

430. K.H. Johnson, B.C. Bongarten, and L.R. Boring, "Effects of nitrate on in vivo nitrate reductase activity of seedlings from three open-pollinated families of Robinia pseudoacacia," Tree Physiology 8:381-389 (1991).

Keywords: nitrates/ seedlings/ Robinia pseudoacacia/ locust, black.

431. R.G. Johnson, D.A. Bangsund, and D. Meyer, Evaluation of Herbaceous Biomass Crops in the Northern Great Plains: Economic Analysis, ORNL/Sub/88-SB844C/2A, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

432. C.A. Johnston, Productivity of Wet Soils: Biomass of Cultivated and Natural Vegetation, ORNL/SUB/84-18435/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: productivity/ soil properties/ vegetation, herbaceous/ biomass resources.

433. J.W. Johnston, Evaluation of the Potential for Using Old-Field Vegetation as an Energy Feedstock: Biomass Yield, Chemical Composition, Environmental Concerns, and Economics, ORNL/TM-11615, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: vegetation, old-field/ feedstocks/ biomass/ chemical composition/ economic analysis/ environmental impacts.

434. D.W. Jones, "Monopsony and plant location in a Thunen land use model," Journal of Regional Science 28:317-327 (1988).

Keywords: Thunen model/ economic analysis/ plantations/ land base.

435. D.W. Jones and J.R. Krummel, "Location and the development of energy supplies from biomass sources," pp. 79-99 in Geographical Dimensions of Energy, eds. F.J. Calzonetti and B.D. Solomon, Kluwer Academic Publishers for D. Reidel Publishing Company, Hingham, Massachusetts (1983).

Keywords: supplies/ biomass sources/ Thunen model/ fuels, alcohol.

436. D.W. Jones and J.R. Krummel, "The location theory of the plantation," Journal of Regional Science 27:157-182 (1987).

Keywords: models/ plantations/ location theory.

437. M.F. Jurgensen, D.J. Frederick, H.A.I. Madgwick, and G.R. Oliver, "Soil development under Pinus radiata and Eucalyptus regnans plantations," New Zealand Journal of Forestry Science 16:69-77 (1986).

Keywords: soils/ forest floor/ nutrients/ Pinus radiata/ Eucalyptus regnans.

438. R.C. Kellison, "Genetic manipulation of southern hardwoods," pp. 111-120 in Proceedings, Eighth Forestry and Wildlife Symposium, Virginia Polytechnic Institute and State University, Blacksburg, Virginia (1978).

Keywords: hardwoods/ genetic engineering.

439. R.C. Kellison, "Progress in hardwood tree improvement," Forest Farmer 41:14-15 (1981).

Keywords: hardwoods/ genetic improvement.

440. R.C. Kellison, "Future technology and timber supply may change construction lumber products," Forest Farmer 45:24-26 (1986).

Keywords: lumber/ forestry/ timber.

441. R.C. Kellison, "Developing a forest policy amid competition from abroad," Forum 2:6-9 (1987).

Keywords: agricultural policy/ forestry/ economic analysis.

442. R.C. Kellison, R. Lea, and D.J. Frederick, "Effect of silvicultural practices on wood quality of southern hardwoods," TAPPI 66:67-69 (1983).

443. R.C. Kellison, T.K. Slichter, and D.J. Frederick, "Matching species to site for increased wood production," TAPPI 62:77-79 (1979).

Keywords: Pinus/ softwoods/ hardwoods/ seed orchards/ genotypes/ forestation/ site characteristics.

444. R.C. Kellison and R.J. Weir, "How forest genetics is helping grow better trees for tomorrow," TAPPI 63:57-61 (1980).

Keywords: genetics, forest/ pine, Southern/ seed/ Pinus.

445. W.A. Kenney, R.L. Gambles, and L. Sennerby-Forsse, "Feedstock characteristic and quality," pp. 267-284 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: feedstocks/ short rotation woody crops/ short rotation intensive culture/ yields.

446. W.A. Kenney, L. Sennerby-Forsse and P.A. Layton, "A review of biomass quality research relevant to the use of poplar and willow for energy conversion," Biomass 21:163-188 (1990).

Keywords: biomass quality/ heritability/ wood/ heating values/ extractives/ cellulose/ hemicellulose/ lignin/ poplars/ willows.

447. S.N. Kerr and W.E. Sopper, "Utilization of municipal sludge for woody biomass production in mined land," pp. 313-317 in Symposium on Surface Mining Hydrology, Sedimentology, and Reclamation, University of Kentucky, Lexington, Kentucky (1982).

Keywords: municipal sludge/ short rotation woody crops/ mined land.

448. R.D. Kirmse and J.T. Fisher, "Species screening and biomass trials of woody plants in the semi-arid southwest United States," Biomass 18:15-29 (1989).

Keywords: short rotation intensive culture/ biomass/ coppice/ atriplex/ Leucaena/ Prosopis/ shrubs/ species selection.

449. R.D. Kirmse and B.E. Norton, "Comparison of the reference unit method and dimensional analysis methods for two large shrubby species in the Caatinga woodlands," Journal of Range Management 38:425-428 (1985).

Keywords: Brazil/ Mimosa acutistipula/ jurema/ Pau Branco/ Auxemma oncocalyx.

450. S. Klass, R.L. Bingham, L. Finker-Templeman, and P. Felker, "Optimizing the environment for rooting cuttings of highly productive clones of Prosopis alba (mesquite/algarrobo)," Journal of Horticultural Science 60:275-284 (1985).

Keywords: Prosopis alba/ mesquite/ propagation.

451. S. Klass, J. Wright, and P. Felker, "Influence of auxins, thiamine and fungal drenches on the rooting of Prosopis alba clone B2V50 cuttings," Journal of Horticultural Science 62:97-100 (1987).

Keywords: Prosopis alba/ mesquite/ propagation/ pretreatments.

452. N.B. Klopfenstein, H.S. McNabb Jr., and R.B. Hall, "Poplars in agroforestry systems: using resistance to minimize disease risk," p. 58 in The Third North American Agroforestry Conference - Opportunities for Agroforestry in the Temperate Zone Worldwide, Iowa State University, Ames, Iowa (1993).

Keywords: agroforestry/ poplars/ disease risk.

453. N.B. Klopfenstein, H.S. McNabb Jr., E.R. Hart, R.B. Hall, R.D. Hanna, S.A. Heuchelin, K.K. Allen, N.Q. Shi, and R.W. Thornburg, "Transformation of Populus hybrids to study and improve pest resistance," Silvae Genetica 42:86-89 (1993).

Keywords: poplars, hybrid/ pest resistance/ physiology.

454. R.A. Kluender, T.W. Reisinger, W.B. Stuart, and K.D. Farrar, An Analysis of Several Alternatives to Oil as an Industrial Fuel, FWS 7-82, Virginia Polytechnic Institute and State University, Blacksburg, Virginia (1981).

Keywords: fuels/ fuels, alternative.

455. R.A. Kluender and K. Seward, A Practical Approach to the Establishment of a Whole Tree Chipping Operation, American Pulpwood Association, Washington, DC (1981).

Keywords: whole-tree chips/ whole-tree utilization.

456. P. Koch and T.E. Savage, "Development of the Swathe-Felling mobile chipper," Journal of Forestry 78:17-21 (1980).

Keywords: harvesting/ Alnus rubra/ logging residues/ alder, red.

457. R.F. Kopp, L.P. Abrahamson, C.A. Nowak, and E.H. White, "Pre-emergent herbicides for site preparation in Salix plantings," The Forestry Chronicle 68:218-219 (1992).

Keywords: herbicides/ Salix/ New York/ phytotoxic effects/ weed control.

458. R.F. Kopp, W.A. Geyer, and W.R. Lovett, "Silver maple seed sources for increased biomass production," Northern Journal of Applied Forestry 5:180-184 (1988).

Keywords: survival rate/ growth/ stems, dominant/ maple, silver/ seed source.

459. V. Koski and D.I. Dickmann, "Tree ideotype," Biomass and Bioenergy 2:71-75 (1992).

Keywords: morphology/ physiology/ production systems/ poplars/ Salix/ ideotype.

460. T.T. Ku, J.B. Baker, C.R. Blinn, and R.A. Williams, "Understory biomass from southern pine forest. An energy source?," Agronomy Abstracts p. 203 (1980).

Keywords: pine, Southern/ biomass sources/ forest floor.

461. T.T. Ku, J.B. Baker, C.R. Blinn, and R.A. Williams, "Understory biomass for energy fuel," ed. J.P. Barnett, Proceedings, First Biennial Southern Silvicultural Research Conference, SO-34, U.S. Forest Service, Southeast Experiment Station, Asheville, North Carolina (1981).

Keywords: biomass sources/ forest floor.

462. M.L. Kuo, D.D. Stokke, and H.S. McNabb Jr., "Microscopy of progressive decay of cottonwood by the brown-rot fungus Gloeophyllum trabeum," Wood and Fiber Science 20:405-414 (1988).

Keywords: Populus deltoides/ hardwoods/ Gloeophyllum trabeum/ brown rot/ cell walls/ scanning electron microscopy.

463. J.G. Laarman, M.J. Vasievitch, and P.B. Durst, "Techniques to harvest fast-growing energy plantations in Hawaii and the Philippines," pp. 256-267 in Proceedings, 18th IUFRO World Congress, International Union of Forestry Research Organizations, Ljubljana, Yugoslavia (1986).

Keywords: harvesting/ energy crops.

464. P. Labosky Jr., T.W. Bowersox, and P.R. Blankenhorn, "Kraft pulp yields and paper properties obtained from first and second rotations of three hybrid poplar clones," Wood and Fiber Science 15:81-89 (1983).

Keywords: poplars, hybrid/ pulpwood/ paper.

465. Y.Z. Lai, R.L. Sajdak, G.D. Mroz, M.F. Jurgensen, and D.L. Schwandt, "Wood and bark specific gravity determination as affected by water-soluble extractives loss," Wood Science 13:47-49 (1980).

Keywords: specific gravity/ extractives/ chemical composition.

466. S.B. Land Jr., Genetic Selection of American Sycamore for Biomass Production in the Mid-South: Phase I, SERI/TR-98075-1, Mississippi State University, Biloxi, Mississippi (1980).

Keywords: sycamore, American/ selection criteria/ genetic variations.

467. S.B. Land Jr., Genetic Selection of American Sycamore for Biomass Production in the Mid-South. Final Report for the Period March 9, 1979-May 31, 1982, ORNL/Sub/81-9051/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1982).

Keywords: sycamore, American/ selection criteria/ genetic variations.

468. S.B. Land Jr., G.A. Tuskan, S.G. Dicke, and P.E. Patterson, "Genetic, site, and within-tree variation in specific gravity and moisture content of young sycamore trees," TAPPI 66:149-153 (1983).

Keywords: sycamores/ specific gravity/ moisture content/ genetic variations/ phenotypic variation.

469. J.J. Landsberg and L.L. Wright, "Comparisons among Populus clones and intensive culture conditions, using an energy-conversion model," Forest Ecology and Management 27:129-147 (1989).

Keywords: photosynthetic efficiency/ plant conversion/ poplars/ clonal propagation/ intensive culture/ conversion technology/ models/ dry matter/ radiant energy/ solar radiation.

470. W.E. Lawrence Jr. and W. Emory, Field-Drying Logging Residues as an Industrial Fuel, Virginia Polytechnic Institute and State University, Industrial Forestry Operations Program, Blacksburg, Virginia (1981).

Keywords: logging residues/ industrial participation/ drying.

471. P.A. Layton and L.L. Wright, "The role of genetic improvement in the Short Rotation Woody Crops Program," pp. 133-154 in Proceedings, Energy from Biomass and Wastes X, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1987).

Keywords: genetics/ biomass/ wastes/ short rotation woody crops/ genetic improvement.

472. P.A. Layton and L.L. Wright, "Energy crop research advances the fundamentals of forest biology," pp. 27-40 in Proceedings, 9th Annual Southern Forest Biomass Workshop, Mississippi State University, Biloxi, Mississippi (1988).

Keywords: forestry/ energy crops/ Populus/ genetic improvement/ biotechnology/ physiology.

473. P.A. Layton, L.L. Wright, T.W. Doyle, J.W. Ranney, J.H. Cushman, A.F. Turhollow, and J.W. Johnston, "Accelerating energy crop growth via genetic techniques," pp. 397-424 in Proceedings, Energy from Biomass and Wastes XIII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1990).

Keywords: growth/ breeding/ genetic improvement/ biotechnology/ callus/ tissue culture/ somaclonal variations/ genetic engineering.

474. R. Lea, "Response of wetland forests to pumped agricultural waste-water," in The Hydrology and Pollutant Removal Effectiveness of Wetland Buffer Areas Receiving Pumped Agricultural Drainage Water, eds. G.M. Chescheir, J.W. Gilliman, R.W. Skaggs, and R.G. Broadhead, University of North Carolina, Water Resources Institute, Raleigh, North Carolina (1987).

Keywords: forests/ wetlands/ wastewater/ environmental impacts.

475. R. Lea, Sweetgum Handbook: Short-Rotation Sweetgum Plantations, Establishment and Care in the Southeastern United States, ORNL/Sub/86-95909/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1987).

Keywords: sweetgum/ Liquidambar styraciflua/ plantation management.

476. R. Lea and R. Ballard, "Predicting loblolly pine growth response from N fertilizer using soil-N availability indices," Soil Science Society of America Journal 46:1096-1099 (1982).

Keywords: pine, loblolly/ nitrogen fertilization/ soil properties.

477. R. Lea and R. Ballard, "Relative effectiveness of nutrient concentrations in living foliage and needle fall at predicting response of loblolly pine to N and P fertilization," Canadian Journal of Forestry Research 12:713-717 (1982).

Keywords: pine, loblolly/ fertilization/ nutrient status.

478. D.T. Lester and D.S. DeBell, Geographic Variation in Red Alder, PNW-RP-409, U.S. Forest Service, Pacific Northwest Research Station, Portland, Oregon (1989).

Keywords: genetics/ Alnus rubra/ provenance trials.

479. W. Liu, R.A. Merriam, V.D. Phillips, and D. Singh, "Estimating short-rotation Eucalyptus saligna production in Hawaii: an integrated yield and economic model," Bioresource Technology 45:167-176 (1993).

Keywords: short rotation woody crops/ Hawaii/ Eucalyptus saligna.

480. W. Liu, V.D. Phillips, and D. Singh, "A spatial model for the economic evaluation of biomass production systems," Biomass and Bioenergy 3:345-356 (1992).

Keywords: models, spatial/ economic analysis/ biomass production/ energy crops/ Eucalyptus saligna/ Hawaii/ biomass system model.

481. Z. Liu and D.I. Dickmann, "Abscisic acid accumulation in leaves of two contrasting hybrid poplar clones affected by nitrogen fertilization plus cyclic flooding and soil drying," Tree Physiology 11:109-122 (1992).

Keywords: abscisic acid/ poplars, hybrid/ nitrogen fertilization/ cyclic flooding/ soils/ poplars/ radioimmunoassays/ photosynthesis/ stomatal behavior/ cottonwood, hybrids.

482. C.E. Long, W.A. Geyer, W. Loucks, and D. Hamm, Chemical Weed Control in Tree Plantings, Circular MF-656, Kansas State University, Extension Service, Manhattan, Kansas (1982).

Keywords: herbicides/ plantation management.

483. R. Long and T.W. Bowersox, "Disease development and incubation period of Septoria canker on Populus hybrids," Penn State Research Briefs 16:20-23 (1984).

Keywords: poplars/ Septoria.

484. R. Long, T.W. Bowersox, and W. Merrill, "Artificial inoculation of Populus hybrids with Septiva musiva," Canadian Journal of Forestry Research 16:405-407 (1986).

Keywords: poplars, hybrid/ Septoria musiva/ cankers.

485. D.A. Lortz, D.R. Betters, and L.L. Wright, "Production function for short-rotation woody-crop Populus spp. plantations," Canadian Journal of Forestry Research 24:180-184 (1994).

Keywords: production/ short rotation woody crops/ poplars/ biomass.

486. D.C. Lothner, "Economic evaluations for short-rotation biomass production systems," Biomass 22:135-144 (1990).

Keywords: biomass production/ short rotation intensive culture/ economic analysis.

487. D.C. Lothner, E.A. Hansen, and D.A. Netzer, "Growing and utilizing intensively cultured woody crops for energy: some recent economic evidence from the north central United States," pp. 92-102 in Proceedings from the Workshop: Economic Evaluations of Biomass Oriented Systems for Fuel -

International Energy Agency Bioenergy, Task III, Activity 4 (Applications of Systems Analysis), eds. G. Lonner and A. Tornquist, Swedish University of Agricultural Sciences, Department of Forest-Industry-Market Studies, Garpenberg, Sweden (1988).

Keywords: yields/ short rotation woody crops/ short rotation intensive culture/ economic analysis/ economic analysis.

488. D.C. Lothner, D.W. Rose, J. Zavitkovski, and K.D. Ferguson, "A financial analysis of poplar intensive cultures in the Lake States," pp. 145-163 in Proceedings, Energy from Biomass and Wastes V, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1981).

Keywords: poplars/ intensive culture/ Lake States/ poplars, hybrid/ silviculture/ biomass/ economic analysis.

489. J. Lowenberg-DeBoer and J.H. Cherney, "Biophysical simulation for evaluating new crops: the case of switchgrass for biomass energy feedstock," Agricultural Systems 29:233-246 (1989).

Keywords: models/ economic analysis/ fertilization/ harvesting/ switchgrass.

490. G.A. Lowerts and J.M. Stone, "The effect of soil bulk density on nursery sweetgum seedling growth," Tree Planters' Notes 33:3-5 (1983).

Keywords: sweetgum/ soil properties/ nursery, tree.

491. L.R. Lynd, J.H. Cushman, R.J. Nichols, and C.E. Wyman, "Fuel ethanol from cellulosic biomass," Science 251:1318-1323 (1991).

Keywords: fuel properties/ air quality/ climate change/ energy security.

492. S. Lyons, "Food, fuel & hope," Idaho the University 4:11-14, 23-24 (1987).

Keywords: rapeseed/ Brassica napus/ fuels.

493. K.A. Mahler and D.L. Auld, National Winter Rapeseed Variety Trial: 1985-86, Miscellaneous Series Bulletin No. 98, University of Idaho, College of Agriculture, Moscow, Idaho (1986).

Keywords: rapeseed/ selection criteria.

494. K.A. Mahler and D.L. Auld, Fatty Acid Composition of 2100 Accessions of Brassica, University of Idaho, Agricultural Experiment Station, Moscow, Idaho (1988).

Keywords: fatty acid composition/ Brassica.

495. K.A. Mahler and D.L. Auld, National Winter Rapeseed Variety Trial: 1986-87, Miscellaneous Series Bulletin No. 113, University of Idaho, College of Agriculture, Moscow, Idaho (1988).

Keywords: rapeseed/ selection criteria.

496. K.A. Mahler and D.L. Auld, National Winter Rapeseed Variety Trial: 1987-88, Miscellaneous Series Bulletin No. 120, University of Idaho, College of Agriculture, Moscow, Idaho (1988).

Keywords: rapeseed/ selection criteria.

497. K.A. Mahler and D.L. Auld, National Winter Rapeseed Variety Trial: 1988-89, Miscellaneous Series Bulletin No. 130, University of Idaho, College of Agriculture, Moscow, Idaho (1989).

Keywords: rapeseed/ selection criteria.

498. K.A. Mahler and D.L. Auld, National Winter Rapeseed Variety Trial: 1989-90, Miscellaneous Series Bulletin No. 140, University of Idaho, College of Agriculture, Moscow, Idaho (1990).

Keywords: rapeseed/ selection criteria.

499. K.A. Mahler, D.L. Auld, J. Bradley, D.G. Bullock, N.B. Christensen, L.O. Copeland, E.C. Gilmore, A.N. Hang, P.L. Mask, H.C. Minor, P.M. Porter, P.L. Raymer, D.E. Starner, and L.E. Welty, National Winter Rapeseed Variety Trial: 1990-91, Miscellaneous Series Bulletin No. 154, University of Idaho, Moscow, Idaho (1991).

Keywords: rapeseed/ selection criteria.

500. K.A. Majerus and G.L. Rolfe, Changes in Soil Elemental Concentrations Under Short-Rotation Wood Production Systems, Forestry Research Report 87-1, University of Illinois, Agricultural Experiment Station,

Urbana-Champaign, Illinois (1987).

Keywords: soil properties/ nutrient management/ plantation management.

501. K.A. Majerus and G.L. Rolfe, Seedling and Coppice Yields from Short-Rotation Wood Production Systems, Forestry Research Report 87-1, University of Illinois, Agricultural Experiment Station, Urbana-Champaign, Illinois (1987).

Keywords: coppice growth/ seedlings.

502. L.K. Mann, D.W. Johnson, D.C. West, D.W. Cole, J.W. Hornbeck, C.W. Martin, H. Riekerk, C.T. Smith, W.T. Swank, L.M. Tritton, and D.H. Van Lear, "Effects of whole-tree and stem-only clear-cutting on postharvest hydrologic losses, nutrient capital, and regrowth," Forest Science 42:412-428 (1988).

Keywords: harvesting/ moisture content/ nutrient removal.

503. Marker-Aided Selection: A Tool for the Improvement of Forest Tree Species (Special Edition: Canadian Journal of Forestry Research 22:999-1061), ed. G.A. Tuskan, The National Research Council of Canada, Ontario, Canada (1992).

Keywords: forests/ morphology/ conifers/ abiotic stress/ breeding/ chestnut blight/ host-pathogen/ spruce, red/ spruce, black/ fir, balsam/ tomato mosaic virus/ viruses.

504. G. Marland and S. Marland, "Should we store carbon in trees," Water, Air, and Soil Pollution 64:181-195 (1992).

Keywords: carbon dioxide/ carbon/ climate change/ growth, forest/ fuels, fossil/ biomass/ carbon allocation.

505. G. Marland and A.F. Turhollow, CO2 Emissions from the Production and Combustion of Fuel Ethanol from Corn, ORNL/TM-11180, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: carbon dioxide emissions/ ethanol/ corn/ fuels, biomass.

506. G. Marland and A.F. Turhollow, "CO2 emissions from the production and combustion of fuel ethanol from corn," Energy 16:1307-1316 (1991).

Keywords: carbon dioxide emissions/ ethanol/ corn/ fuels, biomass.

507. S.A. Martin, "Energy crop research at the Biofuels Feedstock Development Program," Biologue 11:30-33 (1993).

Keywords: energy crops/ biofuels/ feedstocks.

508. D.N. McCluskey and R.F. Fisher, "The effect of inoculum source on nodulation in Casuarina glauca," Commonwealth Forest Review 62:117-124 (1983).

Keywords: Casuarina glauca/ nodulation.

509. B.H. McCown, "Recent advances in protoplast culture of horticultural crops: ornamental trees and shrubs," Scientia Horticulturae 37:257-265 (1988).

Keywords: biotechnology/ embryogenesis/ nodulation/ tissue culture/ plant regeneration.

510. B.G. McCutchan, "Effect of harvest season and spacing on coppice sweetgum biomass yields," pp. 113-124 in Proceedings, Fourth Central Hardwood Conference, University of Kentucky, Lexington, Kentucky (1982).

Keywords: sweetgum/ coppice growth/ harvest cycles/ spacing.

511. C.M. McKell, J.R. Barker, and G. Van Epps, "Environmental influences on big sagebrush (Artemisia tridentata) size," in Proceedings, Sagebrush Symposium, Utah State University, U.S. Forest Service Shrub Research Laboratory, Provo, Utah (1982).

Keywords: sagebrush/ growth responses.

512. R.A. McLaughlin, E.A. Hansen, and P.E. Pope, "Biomass and nitrogen dynamics in an irrigated hybrid poplar plantation," Forest Ecology and Management 18:169-188 (1987).

Keywords: poplars/ nitrogen/ irrigation.

513. R.A. McLaughlin, P.E. Pope, and E.A. Hansen, "Nitrogen fertilization and ground cover in a hybrid poplar plantation: effects on nitrate leaching," Journal of Environmental Quality 14:241-245 (1985).

Keywords: biomass plantations/ weed control/

Lotus corniculatus/ poplars/ environmental impacts/ nitrates.

514. R.A. McLaughlin, P.E. Pope, and E.A. Hansen, "Nitrogen management in a biomass plantation," pp. 77-84 in Proceedings, Forest Soils: A Resource for Intensive Forest Management. 1984 Lake States Forest Soils Conference, eds. G.D. Mroz and C.C. Trettin, Michigan Technological University, School of Forestry and Wood Products, Houghton, Michigan (1985).

Keywords: poplars/ nitrogen fertilization.

515. S.B. McLaughlin, "New switchgrass biofuels research program for the Southeast," pp. 111-115 in Proceedings of the Annual Automotive Technology Development Contractors' Coordination Meeting, SAE International, Warrendale, Pennsylvania (1993).

Keywords: switchgrass/ biofuels/ perennials/ Panicum virgatum/ feedstocks.

516. S.B. McLaughlin, "Herbaceous energy crops and the potential for soil conservation," Biologue 12:31-32 (1994).

Keywords: herbaceous energy crops/ soils/ biofuels/ feedstocks.

517. S.B. McLaughlin, D.I. Bransby, and D.J. Parrish, "Perennial grass production for biofuels: soil conservation considerations," pp. 359-367 in Bioenergy '94: Using Biofuels for a Better Environment, Western Regional Biomass Energy Program, Golden, Colorado (1994).

Keywords: perennials/ production/ biofuels/ soil conservation.

518. B.G. McMahon, R.D. Hanna, and R.B. Hall, "Selection and breeding of Populus clones in the north central region," pp. 2-12, Proceedings of the Second Northern Forest Genetics Association Conference, University of Minnesota, St. Paul, Minnesota (1993).

Keywords: cottonwoods/ breeding/ poplars/ clonal propagation.

519. H.S. McNabb Jr., R.B. Hall, and M.E. Ostry, "Biological and physical modifications of the environment and the

resulting effect upon the host-parasite interactions in short-rotation tree crops," pp. 60-71 in Proceedings, Third International Workshop on the Genetics of Host-Parasite Interactions in Forestry: Resistance to Diseases and Pests in Forest Trees, eds. H.M. Heybroek, B.R. Stephan and K. Von Weissenberg, Centre for Agricultural Publishing and Documentation, Wangeningen, The Netherlands (1982).

Keywords: parasites/ short rotation woody crops/ environmental impacts.

520. H.S. McNabb Jr., E.R. Hart, and R.B. Hall, "Disease and insect resistance: a key to successful short rotation woody crops systems," Ames Forester 78:31-33 (1991).

Keywords: poplars, hybrid/ breeding/ genetic engineering/ resistance.

521. H.S. McNabb Jr., N.B. Klopfenstein, R.D. Hanna, R.B. Hall, E.R. Hart, S.A. Heuchelin, and R.W. Thornburg, "A field trial of transgenic hybrid poplar trees: establishment and growth through the second season," pp. 155-159 in Biological Monitoring of Genetically Engineered Plants and Microbes, eds. D.R. MacKenzie and S.C. Henry, Agricultural Research Institute, Bethesda, Maryland (1991).

Keywords: poplars, hybrid/ gene expression/ growth.

522. H.S. McNabb Jr., M.E. Ostry, R.S. Sonnelitter, and P.E. Gerstenberger, "The effect and possible integrated management of Septoria musiva in intensive, short-rotation culture of Populus in the north central states," pp. 51-58 in Proceedings, 1982 North American Poplar Council Meeting, eds. E. Zavitkovski and E.A. Hansen, Kansas State University, Manhattan, Kansas (1982).

Keywords: Populus/ Septoria musiva/ intensive culture/ pest management.

523. H.S. McNabb Jr., M.E. Ostry, P.A. Tipton, R.S. Sonnelitter, J.M. Site, and E.S. Caldbeck, "Fungicidal management of Septoria canker of Populus grown under short-rotation, intensive culture," Phytopathology 71:242 (1981).

Keywords: pest management/ Septoria/ Populus/ intensive culture.

524. H.S. McNabb Jr., R.S. Sonnelitter, and M.E. Ostry, "Leaf and stem disease severity and coppice ability of four Populus hybrids," Iowa Academy of Science Proceedings 2:88 (1981).

Keywords: coppice/ Populus/ disease risk.

525. R.E. McRoberts, "Comparing regression curves," Forest Growth Modelling and Prediction, NC-120, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1988).

Keywords: models/ regression analysis.

526. M.A. Megalos, D.J. Frederick, A. Clark III, and D.R. Phillips, "Biomass and energy content of southern Piedmont hardwood forests," p. 72 in Proceedings, Fourth Southern Biomass Energy Research Conference, University of Georgia, Athens, Georgia (1986).

Keywords: hardwoods/ energy content/ biomass feedstocks.

527. M.A. Megalos, D.J. Frederick, A. Clark III, and D.R. Phillips, Biomass, Nutrient and Energy Content of Southern Piedmont Hardwood Forests, North Carolina State University, School of Forest Resources, Raleigh, North Carolina (1986).

Keywords: harvesting/ yields/ productivity/ hardwoods/ energy content/ biomass feedstocks.

528. G.F. Meskimen, Testing Eucalyptus Clones in Florida and Establishment Report for 1982 Plantings (Supplement to Study Plan), FS-SE-1113-21, U.S. Forest Service, Southeastern Forest Experiment Station, Asheville, North Carolina (1984).

Keywords: breeding/ Eucalyptus grandis/ clonal propagation/ Eucalyptus papers.

529. G.F. Meskimen and E.C. Franklin, Hybridity in the Eucalyptus grandis Breeding Population in Florida, U.S. Forest Service, Southeastern Forest Experiment Station, Asheville, North Carolina (1984).

Keywords: Eucalyptus/ Eucalyptus grandis/ hybrids/ tree improvement.

530. G.F. Meskimen, D.L. Rockwood, and K.V. Reddy, "Development of Eucalyptus clones for a summer rainfall environment with periodic severe frosts," New Forest 3:197-205 (1987).

Keywords: Eucalyptus grandis/ Eucalyptus saligna/ frost resistance/ clonal selection/ clonal propagation.

531. M.G. Messina, R. Ballard, and D.J. Frederick, "A test of a single disk for estimation of hardwood bole and branch nutrient concentrations," Forest Science 19:618-626 (1983).

Keywords: nutrient status/ experimental design/ hardwoods.

532. M.G. Messina, D.J. Frederick, and A. Clark III, "Nutrient content and distribution in natural southern coastal plain hardwoods," Biomass 10:59-79 (1986).

Keywords: biomass/ nutrient status/ site characteristics/ hardwoods, bottomland.

533. M.G. Messina, S.T. Gower, D.J. Frederick, A. Clark III, and D.R. Phillips, Biomass, Nutrient, and Energy Content of Wetland Forests, North Carolina State University, Raleigh, North Carolina (1984).

Keywords: hardwoods/ wetlands/ energy content/ nutrient status.

534. D. Meyer, D.E. Lippert, W.E. Norby, and D.O. Erickson, "Evaluation of herbaceous biomass crops in North Dakota," Agronomy Abstracts p. 153 (1991).

Keywords: herbaceous energy crops/ biomass resources/ North Dakota.

535. D.A. Michael, D.I. Dickmann, K.W. Gottschalk, N.D. Nelson, and J.G. Isebrands, "Determining photosynthesis of tree leaves in the field using a portable 14CO2 apparatus: procedures and problems," Photosynthetica 19:98-108 (1985).

Keywords: poplars/ photosynthetic efficiency/ carbon dioxide exchange rate.

536. D.A. Michael, D.I. Dickmann, and N.D. Nelson, "Photosynthesis, CO2 compensation, and stomatal conductance of young poplar plants grown under intensive culture," Plant Physiology (Suppl.) 63:121 (1979).

Keywords: poplars/ photosynthesis/ carbon dioxide/ stomatal behavior.

537. D.A. Michael, J.G. Isebrands, D.I. Dickmann, and N.D. Nelson, "Photosynthesis patterns during the establishment year within two Populus clones," Tree Physiology 6:11-27 (1990).

Keywords: poplars/ poplars, hybrid/ light interception/ clonal variations.

538. Michigan State University, Michigan's Energy Challenge: Forging a New Future, Special Report, Michigan State University, Agricultural Experiment Station, East Lansing, Michigan (1980).

Keywords: fuels, alternative/ biomass feedstocks/ energy crops.

539. Michigan State University, Biomass: Fuel for the Future, Special Report 1, Michigan State University, Agricultural Experiment Station, East Lansing, Michigan (1981).

Keywords: biomass feedstocks/ fuels, alternative/ energy crops.

540. C.H. Michler, "In vitro genetic selection for woody plant improvement," pp. 443-455 in Micropopagation of Woody Plants, Chapter 26, ed. M.R. Ahuja, Kluwer Academic Publishers, The Netherlands (1993).

Keywords: clonal propagation/ genetic improvement/ woody crops/ somaclonal variations/ somatic cells/ tissue culture.

541. C.H. Michler and E.O. Bauer, "Selection for herbicide tolerance in Populus to sulfometuron methyl in vitro," in Proceedings, Symposium on Genetic Manipulation of Woody Plants, Michigan State University, East Lansing, Michigan (1987).

Keywords: Populus/ herbicide resistance.

542. C.H. Michler and E.O. Bauer, "Selection of somaclonal variants for herbicide tolerance in tissue cultured plantlets of Populus," In Vitro 23:47A (1987).

Keywords: herbicides/ poplars/ herbicide resistance/ somaclonal variations.

543. C.H. Michler and E.O. Bauer, "Somatic embryogenesis in plant cell cultures of Populus," In Vitro 23:46A (1987).

Keywords: poplars/ tissue culture/ embryogenesis.

544. C.H. Michler and E.O. Bauer, "Biochemical mechanism of herbicide tolerance of in vitro selected Populus," In Vitro 26:47A (1990).

Keywords: herbicide resistance/ target enzymes/ Populus.

545. C.H. Michler and E.O. Bauer, "EPSP synthase activity of in vitro selected glyphosate tolerant Populus spp.," In Vitro 27:129 (1991).

Keywords: poplars, hybrid/ herbicide resistance/ Populus.

546. C.H. Michler and B.E. Haissig, "Increased herbicide tolerance of in vitro selected hybrid poplar," pp. 183-189 in Somatic Cell Genetics of Woody Plants, ed. M.R. Ahuja, Kluwer Academic Publishers, The Netherlands (1988).

Keywords: poplars, hybrid/ growth/ herbicide resistance/ somaclonal variations.

547. C.H. Michler, T.M. Voelker, and E.O. Bauer, "Production of putative herbicide tolerant plants from somatic embryos regenerated from in vitro selected callus," In Vitro 25:62A (1989).

Keywords: herbicide resistance/ poplars, hybrid/ somaclonal variations.

548. C.H. Michler, T.M. Voelker, and R.J. Moioffer, "Field evaluation of herbicide-tolerant hybrid poplar somaclones," In Vitro Cellular & Developmental Biology (Program Issue - 1992 World Congress on Cell and Tissue Culture) 28:105A (1992).

Keywords: herbicide resistance/ poplars, hybrid/ somaclonal variations.

549. H.V. Miegroet, R.J. Norby, and T.J. Tschaplinski, "Nitrogen fertilization strategies in a short-rotation sycamore plantation," Forest Ecology, and Management 64:13-24 (1994).

Keywords: nitrogen/ fertilization/ rotation length/ sycamores.

550. S.J. Milauskas, R.G. Oderwald, and W.B. Stuart, "Extensively managed short-rotation Appalachian hardwood coppice for energy," pp. 81-85 in WOODPOWER: New Perspectives on Forest Usage, eds. J.J. Talbot and W. Swanson, Pergamon Press, New York (1981).

Keywords: hardwoods, Appalachian/ coppice/ energy crops.

551. R.O. Miller, J.B. Levenson, and G. Howe, The Costs of Genetic Test Plantations, MICHCOTIP Notes Vol. 1, No. 1, Michigan State University, East Lansing, Michigan (1984).

Keywords: genetics/ plantations.

552. Mississippi State University, "Sycamores may answer future energy needs," Arbor Age 7:3 (1987).

Keywords: sycamores/ biomass sources.

553. S.C. Miyasaka, "Comparison of quick- and slow-release fertilizers in young plantings of Eucalyptus species," Tree Planters' Notes 35:20-24 (1984).

Keywords: Eucalyptus/ fertilization.

554. S.C. Miyasaka, E.N. Okazaki, and D.P. Bartholomew, "The effect of lime and micronutrients on Eucalyptus saligna Sm. seedling growth," Bioenergy p. 11 (1983).

Keywords: fertilization/ horticulture/ vermiculite/ peat/ boron/ sulfur/ Eucalyptus saligna.

555. S.C. Miyasaka, A.W. Yeh, and C.D. Whitesell, "Use of soil and tissue testing in forest crops," pp. 139-141 in Proceedings, First Fertilizer and Ornamentals Workshop, University of Hawaii at Manoa, College of Tropical Agriculture and Human Resources, Manoa, Hawaii (1983).

Keywords: nutrient management/ fertilization/ forests.

556. E.S. Miyata, H.M. Steinhilb, R.L. Sajdak, and M.S. Coffman, Roller Chopping for Site Preparation in Wisconsin: A Case Study, NC-223, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1982).

Keywords: site preparation.

557. B.D. Moltzan, R.W. Stack, and P.A. Mason, "First report of Melampsora occidentalis on Populus trichocarpa in Central United States," Plant Disease Reporter 77:953 (1993).

Keywords: Melampsora occidentalis/ Populus trichocarpa/ poplars/ cottonwood, black/ rust, leaf.

558. L.M. Moore, M.E. Ostry, L.F. Wilson, M.J. Morin, and H.S. McNabb Jr., "Impact of Septoria canker caused by S. musiva on nursery stock and first-year plantation coppice," pp. 44-50 in Proceedings, 1982 North American Poplar Council Meeting, eds. J. Zavitkovski and E.A. Hansen, Kansas State University, Manhattan, Kansas (1982).

Keywords: Septoria musiva/ coppice/ nursery, tree/ pathogen invasion.

559. L.M. Moore, L.F. Wilson, and M.E. Ostry, "Poplar-and-willow borer injury in two hybrid poplar clones," pp. 59-62 in Proceedings, 1982 North American Poplar Council Meeting, eds. J. Zavitkovski and E.A. Hansen, Kansas State University, Manhattan, Kansas (1982).

Keywords: pests/ poplars.

560. J.A. Mosjidis, Variability for Biomass Production and Plant Composition in Sericea lespedeza Germplasm. Final Report on a Field and Laboratory Research Program for the Period September 30, 1990 to December 31, 1991, ORNL/90-SG301/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1993).

Keywords: biomass/ biomass composition/ Sericea lespedeza.

561. G.D. Mroz, D.J. Frederick, M.F. Jurgensen, R.L. Sajdak, A. Clark III, D.R. Phillips, and K. Slattery, "Biomass and nutrient removal on three northern hardwood sites in upper Michigan," p. 408 in Proceedings, Symposium on Impact of Intensive Harvesting on Forest Nutrient Recycling, State University of New York, Syracuse, New York (1979).

Keywords: hardwoods/ nutrient removal/ productivity.

562. G.D. Mroz, M.R. Gale, M.F. Jurgensen, D.J. Frederick, and A. Clark III, "Composition, structure, and standing crop biomass of two climax northern hardwood stands in upper Michigan," Canadian Journal of Forestry Research 15:78-82 (1984).

Keywords: hardwood stands/ biomass composition.

563. G.D. Mroz, M.F. Jurgensen, and D.J. Frederick, "Soil nutrient changes following whole tree harvesting on three northern hardwood sites," Soil Science Society of America Journal 49:1552-1557 (1985).

Keywords: whole-tree utilization/ soil properties/ hardwoods/ nutrient removal.

564. W.K. Murphey, T.W. Bowersox, and P.R. Blankenhorn, "Selected wood properties of young Populus hybrids," Wood Science 11:257-262 (1979).

Keywords: biomass composition/ poplars, hybrid/ intensive culture.

565. G.C. Myers and J.B. Crist, "Feasibility of manufacturing hardboard from short-rotation intensively cultured Populus," Forest Products Journal 36:37-44 (1986).

Keywords: Populus tristis/ short rotation intensive culture/ lumber.

566. G.G. Naughton and W.A. Geyer, "An economic analysis of energy forest plantations," pp. 94-98 in Proceedings, Energy from Biomass, 2nd European Communities Conference, eds. A. Strub, P. Chartier and G. Schlesser, Applied Science Publishers, Berlin (1982).

Keywords: economic analysis/ energy crops/ plantation management.

567. G.G. Naughton and N.E. Jennings, Firewood Plantations, Circular C-605, Kansas State University, Cooperative Extension Service, Manhattan, Kansas (1979).

Keywords: plantations/ fuelwood.

568. N.D. Nelson, "Woody plants are not inherently low in photosynthetic capacity," Photosynthetica 18:600-605 (1984).

Keywords: woody crops/ photosynthesis.

569. N.D. Nelson, "North Central Forest Experiment Station biotechnology program: application to tree improvement," pp. 14-22 in

Proceedings, Eighteenth Southern Forest Tree Improvement Conference, eds. R.C. Schmidtling and M.M. Griggs, U.S. Forest Service, Southern Forest Experiment Station, Gulfport, Mississippi (1985).

Keywords: biotechnology/ genetic engineering/ somaclonal variations/ tissue culture/ DNA, recombinant/ herbicide resistance/ disease resistance/ poplars.

570. N.D. Nelson, "Photosynthetic life span of attached poplar leaves under favorable controlled environmental conditions," Forest Science 31:700-705 (1985).

Keywords: photosynthetic efficiency/ life span/ poplars/ carbon dioxide/ leaf senescence/ leaf development/ stomatal behavior/ mesophyll resistance/ cytokinin/ benzyladenine/ chlorophyll degradation.

571. N.D. Nelson, T.E. Burk, and J.G. Isebrands, "Crown architecture of short-rotation, intensively cultured Populus: I. Effects of clone and spacing on first-order branch characteristics," Canadian Journal of Forestry Research 11:73-81 (1981).

Keywords: branch characteristics/ crown architecture/ poplars/ clonal propagation/ short rotation intensive culture/ spacing.

572. N.D. Nelson and P. Ehlers, "Comparative photosynthesis within two poplar clones grown in growth room, greenhouse, and field," Plant Physiology (Suppl.) 65:93 (1981).

Keywords: photosynthesis/ poplars/ greenhouse-grown plants.

573. N.D. Nelson, B.E. Haissig, and D.E. Riemenschneider, "Applying the new somaclonal technology to forestry," in Proceedings, 1984 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1984).

Keywords: somaclonal variations/ tissue culture/ poplars/ pine, jack.

574. N.D. Nelson and J.G. Isebrands, "Late-season photosynthesis and photosynthate distribution in an intensively-cultures Populus nigra x laurifolia clone," Photosynthetica 17:537-549 (1983).

Keywords: photosynthesis/ photosynthates/ intensive culture/ poplars/ clonal propagation/ poplars, hybrid.

575. N.D. Nelson, J.G. Isebrands, and W.E. Hillis, "Some effects of ethylene on the morphology and anatomy of Eucalyptus and Populus seedlings," International Association of Wood Anatomy Bulletin 2-3:48 (1978).

Keywords: Eucalyptus gomphocephala/ seedlings/ Populus deltoides/ ethylene.

576. N.D. Nelson, J.A. Sturos, P.R. Fritschel, and L.D. Satter, "Ruminant feedstuff from the commercial foliage of hybrid poplars grown under intensive culture," Forest Products Journal 34:37-44 (1984).

Keywords: poplars, hybrid/ short rotation intensive culture/ commercial foliage/ vacuum airlift segregation/ poplars.

577. E.K. Nemethy, "Biochemicals as an energy resource," Plant Science 2:117-129 (1984).

Keywords: biochemicals/ biomass plantations/ biomass.

578. D.A. Netzer, Herbicide Trials on European Larch in Northern Wisconsin, NC-318, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1984).

Keywords: herbicides/ larch, European/ competition/ weeds/ intensive culture/ seedlings/ Larix decidua.

579. D.A. Netzer, Hybrid Poplar Plantations Outgrow Deer Browsing Effects, NC-325, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1984).

Keywords: intensive culture/ plantation establishment/ deer damage/ poplars, hybrid.

580. D.A. Netzer and E.A. Hansen, "Controlling weeds in poplars by dormant season glyphosate overspray," pp. 141-142 in Proceedings, North Central Weed Control Conference, Iowa State University Press, Ames, Iowa (1983).

Keywords: herbicides/ survival rate.

581. D.A. Netzer and E.A. Hansen, "Integrated pest management in intensive forestry," pp. 98-108 in Proceedings, Integrated Pest Management Symposium for Northern Forests, University of Wisconsin Cooperative Extension, Madison, Wisconsin (1986).

Keywords: poplars/ weed control/ pests/ nutrient management/ rust, leaf/ tarnished plant bug.

582. D.A. Netzer and E.A. Hansen, Seasonal Variation in Hybrid Poplar Tolerance to Glyphosate, NC-311, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1992).

Keywords: intensive culture/ weed control/ herbicides/ growing season/ clonal variations/ short rotation woody crops.

583. D.A. Netzer and N.V. Noste, Herbicide Trials in Intensively Cultured Populus Plantations in Northern Wisconsin, NC-235, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1978).

Keywords: competition/ clonal propagation/ weeds/ herbicides/ intensive culture/ poplars/ plantations/ Wisconsin.

584. P.V. Nguyen, D.I. Dickmann, K.S. Pregitzer, and R. Hendrick, "Late-season changes in allocation of starch and sugar to shoots, coarse roots, and fine roots in two hybrid poplar clones," Tree Physiology 7:95-105 (1990).

Keywords: harvesting/ chemical composition/ irrigation/ fertilization/ carbohydrate reserves.

585. J.N. Niese and T.F. Strong, "Economic and tree diversity trade-offs in managed northern hardwoods," Canadian Journal of Forestry Research 22:1807-1813 (1992).

Keywords: economic analysis/ biodiversity/ hardwoods, Northern.

586. E.W. Noh, S.C. Minocha, and D.E. Riemenschneider, "Adventitious shoot formation from embryonic explants of red pine (Pinus resinosa)," Physiologia Plantarum 74:119-124 (1988).

Keywords: cytokinin/ benzyladenine/ tissue

culture/ embryogenesis/ somaclonal variations/ pine, red/ Pinus resinosa.

587. R.G. Oderwald, W.B. Stuart, and K.D. Farrar, "The forest model file: a mapped stand library at Virginia Tech," Forest Science 26:193-194 (1980).

Keywords: models/ forests.

588. R.G. Oderwald, W.B. Stuart, and E.C. Ford III, "Location of full tree centers of gravity for Appalachian hardwoods," Southern Journal of Applied Forestry 3:123-124 (1979).

Keywords: hardwoods/ center of gravity.

589. M.E. Ostry, How to Identify Septotinia and Phyllosticta Leaf Spots of Poplars, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1980).

Keywords: poplars/ diseases.

590. M.E. Ostry, How to Identify Shoot Blight of Poplars, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1980).

Keywords: poplars/ diseases.

591. M.E. Ostry, "Important diseases of intensively grown poplars in the North Central region," Phytopathology 71:247 (1981).

Keywords: diseases/ poplars.

592. M.E. Ostry, B. Bucciarelli, S. Sain, W.P. Hackett, and N.A. Anderson, "Developing tissue culture systems for increasing the disease resistance of aspen," pp. 315-318 in Proceedings, Aspen Symposium '89, ed. R.D. Adams, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1990).

Keywords: clonal propagation/ aspens/ poplars, hybrid/ tissue culture/ disease resistance/ cankers.

593. M.E. Ostry, W.P. Hackett, C.H. Michler, R. Serres, and B.H. McCown, "Influence of regeneration method and tissue source on the frequency of somatic variation in Populus to infection by Septoria musiva," Plant Science 97(2):209-215 (1994).

Keywords: embryogenesis/ tissue culture/ micro-cross sections/ roots/ disease resistance/ poplars, hybrid/ clonal variations/ somaclonal variations.

594. M.E. Ostry and H.S. McNabb Jr., "Preventing blackstem damage to Populus hardwood cuttings," pp. 36-43 in Proceedings, 1982 North American Poplar Council Meeting, eds. J. Zavitkovski and E.A. Hansen, Kansas State University, Manhattan, Kansas (1982).

Keywords: Populus/ disease resistance.

595. M.E. Ostry and H.S. McNabb Jr., "Minimizing disease injury to hybrid poplars," Journal of Environmental Horticulture 8:96-98 (1990).

Keywords: poplars/ disease resistance/ Septoria.

596. M.E. Ostry, R.E. McRoberts, K.T. Ward, and R. Resendez, "Screening hybrid poplar in vitro for resistance to leaf spot caused by Septoria musiva," Plant Disease Reporter 72:497-499 (1988).

Keywords: poplars/ disease resistance/ Septoria musiva.

597. M.E. Ostry and C.H. Michler, "Use of biotechnology for tree improvement in Populus model systems," pp. 471-483 in Micropropagation of Woody Plants, Chapter 28, ed. M.R. Ahuja, Kluwer Academic Publishers, The Netherlands (1993).

Keywords: biotechnology/ tree improvement/ poplars.

598. M.E. Ostry, D.D. Skilling, O.Y. Lee-Stadelmann, and W.P. Hackett, "Recovery of somatic variation in resistance of Populus to Septoria musiva," pp. 113-116 in Plant Aging: Basic and Applied Approaches, eds. R. Rodriguez et al., Plenum Press, New York (1990).

Keywords: somaclonal variations/ tissue culture/ callus/ somatic variation/ disease resistance.

599. M.E. Ostry, L.F. Wilson, and H.S. McNabb Jr., Impact and Control of Septoria musiva on Hybrid Poplars, NC-133, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1989).

Keywords: disease resistance/ poplars/ cankers/ intensive culture/ Septoria musiva.

600. M.E. Ostry, L.F. Wilson, H.S. McNabb Jr., and L.M. Moore, A Guide to Insect, Disease, and Animal Pests of Poplars, Agricultural Handbook 677, U.S. Forest Service, North Central Forest Experiment Station, Madison, Wisconsin (1989).

Keywords: poplars/ diseases/ viruses/ parasites/ cankers/ defoliators/ insects.

601. G.O. Otegbeye and R.C. Kellison, "Genetics of wood and bark characteristics of Eucalyptus viminalis," Silvae Genetica 40:27-31 (1980).

Keywords: Eucalyptus viminalis/ genetics.

602. R.P. Overend, H.H. Chum, and J.H. Cushman, "Responses to the notice of interest published by NREL on economic development through biomass integration," Biologue 10:64-66 (1992).

Keywords: economic analysis/ conversion technology/ biomass production.

603. S.G. Pallardy and T.T. Kozlowski, "Early root and shoot growth of Populus clones," Silvae Genetica 28:153-156 (1979).

Keywords: Populus/ growth levels.

604. S.G. Pallardy and T.T. Kozlowski, "Frequency and length of stomata of 21 Populus clones," Canadian Journal of Botany 57:2519-2523 (1979).

Keywords: Populus/ stomata.

605. S.G. Pallardy and T.T. Kozlowski, "Relationships of leaf diffusion resistance of Populus clones to leaf water potential and environment," Ecologia 40:371-380 (1979).

Keywords: Populus/ water potential.

606. S.G. Pallardy and T.T. Kozlowski, "Stomatal response of Populus clones to light intensity and vapor pressure deficit," Plant Physiology (Suppl.) 64:112-114 (1979).

Keywords: stomatal behavior/ poplars/ clonal propagation/ light intensity/ vapor pressure deficit.

607. S.G. Pallardy and T.T. Kozlowski, "Cuticle development in the stomatal region of Populus clones," New Phytologist 85:363-368 (1980).

Keywords: Populus/ stomata.

608. S.G. Pallardy and T.T. Kozlowski, "Water relations of Populus clones," Ecology 62:159-169 (1981).

Keywords: drought/ water relations/ poplars/ clonal propagation/ soil properties/ stomatal behavior/ water balance/ water stress.

609. M.A. Palmer, M.E. Ostry, and A.L. Schipper Jr., How to Identify, and Control Marssonia Leaf Spot and Canker of Poplars, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1980).

Keywords: poplars/ cankers/ diseases.

610. M.A. Palmer and A.L. Schipper Jr., "Resistance of poplars to Septoria canker resistance," Phytopathology 69:1041 (1979).

Keywords: poplars/ Septoria/ disease resistance.

611. D.J. Parrish, W.L. Daniels, D.D. Wolf, M. Genthner, S. Nagle, and P. Sullivan, "Screening herbaceous species on marginal Piedmont sites," pp. 36-39 in Proceedings, Southern Biomass Conference, Auburn University, Auburn, Alabama (1988).

Keywords: energy crops/ soils/ sorghum, sweet/ harvesting/ land availability.

612. D.J. Parrish, W.L. Daniels, D.D. Wolf, M. Genthner, and R. Wheeler, "Screening herbaceous species for the Piedmont," Agronomy Abstracts p. 127 (1985).

Keywords: energy crops/ soils/ sorghum, sweet/ harvesting/ land availability.

613. D.J. Parrish, D.D. Wolf, and W.L. Daniels, Perennial Species for Optimum Production of Herbaceous Biomass in the Piedmont (Management Study, 1987-1991) Final Report, ORNL/Sub/85-27413/7, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1993).

Keywords: species selection/ land quality/ soils/ economic analysis/ erosion/ management practices/ physiology.

614. D.J. Parrish, D.D. Wolf, W.L. Daniels, J.S. Cundiff, and D.H. Vaughan, "A five-year study of herbaceous energy crops," pp. 447-464 in Proceedings, Energy from Biomass and Wastes XIV, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1991).

Keywords: grasses/ legumes/ soils/ switchgrass/ lovegrass/ erosion/ perennials.

615. D.J. Parrish, D.D. Wolf, W.L. Daniels, D.H. Vaughan, and J.S. Cundiff, Perennial Species for Optimum Production of Herbaceous Biomass in the Piedmont, ORNL/Sub/85-27413/5, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: species selection/ land quality/ soils/ economic analysis/ erosion/ management practices/ physiology.

616. K.C. Peeler and D.S. DeBell, Variation in Damage from Growing-Season Frosts Among Open-Pollinated Families of Red Alder, PNW-RN-464, U.S. Forest Service, Pacific Northwest Research Station, Olympia, Washington (1986).

Keywords: alder, red/ growing season/ frost resistance/ superphosphate/ seedlings/ Alnus rubra.

617. Pennsylvania State University, College of Agriculture Extension Service, 1981 Agronomy Guide, Pennsylvania State University, College of Agriculture Extension Service, University Park, Pennsylvania (1981).

Keywords: productivity/ soil properties/ corn/ pests/ sorghum/ grains/ soybeans/ forage crops.

618. R.D. Perlack, S. Das, and J.W. Ranney, "The economic evaluation of SRIC energy plantations," pp. 58-61 in Proceedings, Seventh Southern Forest Biomass Workshop, ed. D.L. Rockwood, University of Florida, Gainesville, Florida (1986).

Keywords: economic analysis/ short rotation intensive culture/ plantations/ coppice/ risk analysis.

619. R.D. Perlack and W.A. Geyer, "Wood energy plantation economics in the Great Plains," Journal of Energy Engineering 113:92-101 (1987).

Keywords: wood energy/ plantations/ economic analysis/ Great Plains/ short rotation intensive culture/ feedstocks/ Kansas/ maple, silver/ harvesting/ planting density.

620. R.D. Perlack and J.W. Ranney, "Cost objective overview for short rotation woody crops," pp. 230-237 in Proceedings - IEA/BA/Task II Workshop: Economics Evaluations of Short Rotation Biomass Energy Systems, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1987).

Keywords: economic analysis/ short rotation woody crops/ short rotation intensive culture/ feedstocks/ genetics/ management practices/ harvesting.

621. R.D. Perlack and J.W. Ranney, "Economics of short-rotation intensive culture for production of wood energy feedstocks," Energy 12:1217-1226 (1987).

Keywords: short rotation intensive culture/ economic analysis/ regional analysis.

622. R.D. Perlack and J.W. Ranney, "Considerations in implementing integrated biomass energy systems in developing countries," pp. 1855-1860 in First Biomass Conference of the Americas: Energy, Environment, Agriculture, and Industry, National Renewable Energy Laboratory, Golden, Colorado (1993).

Keywords: deforestation/ soils/ biomass resources.

623. R.D. Perlack, J.W. Ranney, W.F. Barron, J.H. Cushman, and J.L. Trimble, "Short-rotation intensive culture for the production of energy feedstocks in the U.S.: a review of experimental results and remaining obstacles to commercialization," Biomass 9:145-159 (1986).

Keywords: commercialization/ short rotation intensive culture/ biomass feedstocks.

624. R.D. Perlack, J.W. Ranney, and M. Russell, Biomass Energy Development in Yunnan Province, China, ORNL/TM-11791, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1991).

Keywords: biomass/ Yunnan Province, China/ economic analysis/ production/ conversion technology/ electricity.

625. R.D. Perlack, J.W. Ranney, and L.L. Wright, Environmental Emissions and Socioeconomic Considerations in the Production, Storage, and Transportation of Biomass Energy Feedstocks, ORNL/TM-12030, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1992).

Keywords: environmental impacts/ economic analysis/ management practices/ storage/ transporting/ production.

626. C.L. Peterson, "Vegetable oil as a diesel fuel: status and research priorities," p. 28 in 1985 Summer Meeting American Society of Agricultural Engineers, American Society of Agricultural Engineers, St. Joseph, Michigan (1985).

Keywords: vegetable oils/ diesel fuels/ fuels, biodiesel.

627. C.L. Peterson, D.L. Auld, and R.A. Korus, Use of Vegetable Oil as a Fuel in Time of Emergency, Miscellaneous Series No. 111, University of Idaho, Agricultural Experiment Station, Moscow, Idaho (1988).

Keywords: vegetable oils/ fuels.

628. C.L. Peterson, R.A. Korus, D.L. Auld, and K.A. Mahler, "Alcohol esters of rapeseed oil (AERO) as a fuel to reduce emissions of diesel engines," p. 13 in Proceedings of the International Canola Conference, Potash and Phosphate Institute, Potash and Phosphate Institute of Canada (Saskatoon, Saskatchewan), and Foundation for Agronomic Research, Atlanta, Georgia (1990).

Keywords: esters/ rapeseed/ fuels/ emissions/ diesel fuels.

629. S.R. Pezeshki and T.M. Hinckley, "Water relations characteristics of Alnus rubra and Populus trichocarpa: responses to field drought," Canadian Journal of Forestry Research 18:1159-1166 (1988).

Keywords: alder, red/ cottonwood, black/ stomatal behavior/ roots/ osmotic potential/ leaf senescence/ survival rate.

630. S.R. Pezeshki and C.D. Oliver, "Early growth patterns of red alder and black cottonwood in mixed species plantations," Forest Science 31:190-200 (1985).

Keywords: Alnus rubra/ Populus trichocarpa/ growth patterns/ leaf area/ biomass.

631. R.A. Pfeifer, G.W. Fick, D.J. Lathwell, and C. Maybee, Screening and Selection of Herbaceous Species for Biomass Production in the Midwest/Lake States. Final Report 1985-1989, ORNL/Sub/85-27410/5, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: species selection/ soil types/ yields/ fiber analysis/ nitrogen content/ ash.

632. J.E. Phelps, J.G. Isebrands, D.W. Einspahr, J.B. Crist, and J.A. Sturos, "Wood and paper properties of vacuum airlift segregated juvenile poplar whole-tree chips," Wood and Fiber Science 17:529-539 (1985).

Keywords: Populus tristis/ short rotation intensive culture/ beneficiation/ kraft pulp/ biomass quality/ whole-tree chips/ scanning electron microscopy/ vacuum airlift segregation.

633. J.E. Phelps, J.G. Isebrands, and R.M. Teclaw, "Raw material evaluations of short rotation intensively cultured Populus coppice," p. 46 in Abstracts of the International Union of Forestry Research Organizations Division 5 Conference, International Union of Forestry Research Organizations, Madison, Wisconsin (1983).

Keywords: poplars/ coppice/ biomass composition.

634. J.E. Phelps, J.G. Isebrands, and R.M. Teclaw, "Raw material quality of short-rotation. II. Wood and bark from first rotation stems and stems grown from coppice," International Association of Wood Anatomists (IAWA) Bulletin N.s. 8:182-186 (1987).

Keywords: poplars, hybrid/ specific gravity/ fiber content/ coppice/ biomass composition.

635. D.R. Phillips, M.G. Messina, A. Clark III, and D.J. Frederick, "Nutrient content prediction equations for wetland trees in the U.S. Southern Coastal Plain," Biomass 19:169-187 (1989).

Keywords: nitrogen/ phosphorus/ potassium/ calcium/ magnesium/ bottomlands/ hardwoods/ biomass/ nutrition/ chemical composition.

636. H.M. Phipps, "Rooting Populus cuttings in various media bound with a liquid polymer," Plant Propagation 24:11-13 (1978).

Keywords: rooting ability/ poplars/ harvesting/ liquid polymers.

637. H.M. Phipps, "Increasing the production of greenwood cutting material of Populus hybrids with the cytokinin, ACCEL," Plant Propagation 27:8-10 (1981).

Keywords: greenwood cutting/ poplars, hybrid/ cytokinin/ stock plants/ clonal propagation.

638. H.M. Phipps, E.A. Hansen, and A.S. Fege, Pre-Plant Soaking of Dormant Populus Hardwood Cuttings, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1983).

Keywords: clonal propagation/ poplars, hybrid/ plantation establishment/ artificial regeneration/ poplars.

639. H.M. Phipps, E.A. Hansen, and D.N. Tolsted, "Rooting greenwood tip cuttings of several Populus clones hydroponically (hydroponic rooting of Populus cuttings)," Canadian Journal of Forestry Research 10:107-110 (1980).

Keywords: clonal propagation/ Populus/ greenwood cutting/ rooting ability.

640. H.M. Phipps and D.A. Netzer, "The influence of collection time and storage temperature on Populus hardwood cutting development," Tree Planters' Notes 32:33-36 (1981).

Keywords: storage/ poplars/ hardwoods/ clonal propagation.

641. D. Pimentel and J.R. Krummel, "Biomass energy and soil erosion: assessment of resource costs," Biomass 14:15-38 (1987).

Keywords: erosion/ water availability/ corn stover/ herbaceous energy crops/ short rotation woody crops/ energetics.

642. L.R. Pinkerton and G.G. Naughton, Growing Your Own Firewood, Revised Bulletin L-724, Kansas State University, Manhattan, Kansas (1985).

Keywords: fuelwood/ biomass resources.

643. F.A. Pokorny and H.Y. Wetzstein, "Internal porosity, water availability, and root penetration of pine bark particles," Journal of

Horticultural Science 19:447-449 (1984).

Keywords: pines/ water availability/ biomass quality.

644. P.E. Pope, "Site and fertilization influence biomass accumulation and nutrient content in black locust (Robinia pseudoacacia L.) plantations," p. 205 in Agronomy Abstracts of 1980 Annual Meetings, American Society of Agronomy, Crop Science Society, and American Soil Science Society of America, Detroit, Michigan (1980).

Keywords: fertilization/ biomass accumulation/ nutrient status/ locust, black.

645. P.E. Pope, "Woody crops and residues," pp. 29-45 in Proceedings of Intrauniversity 'Energy from Biomass' Workshop, Purdue University, West Lafayette, Indiana (1980).

Keywords: woody crops/ residues/ biomass production/ forest resources.

646. P.E. Pope and J.D. Rhodes, "Interaction of site, cultural practices, and tree species on dry matter accumulation in biomass plantations," ed. J.P. Barnett, Proceedings of the First Biennial Southern Silvicultural Research Conference, SO-34, U.S. Forest Service, New Orleans, Louisiana (1981).

Keywords: site characteristics/ management practices/ dry matter/ biomass plantations/ locust, black/ fertilization.

647. C.S. Prakash and B.A. Thielges, "Interaction of geographic isolates of Melampsora meusae and Populus: effect of temperature," Canadian Journal of Botany 67:486-490 (1989).

Keywords: Populus deltoides/ rust, leaf/ disease resistance/ Melampsora medusae.

648. C.S. Prakash and B.A. Thielges, "Somaclonal variation in eastern cottonwood for race-specific partial resistance to leaf rust disease," Phytopathology 79:805-808 (1989).

Keywords: Populus deltoides/ Melampsora medusae/ breeding/ tissue culture/ disease resistance/ rust, leaf.

649. D.C. Pratt, D.R. Dubbe, E.G. Garver, and W.C.D. Johnson, Cattail (Typha spp.) Biomass

Production - Stand Management and Sustainable Yields, ORNL/Sub/84-89674/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: cattails/ management practices/ productivity.

650. J.E. Preece and C.A. Huetteman, "An axillary shoot proliferation laboratory exercise--micropropagating Ajuga reptans," HortScience 28:156 (1993).

Keywords: clonal propagation/ cytokinin/ tissue culture/ auxiliary shoots/ greenhouse-grown plants.

651. J.E. Preece, C.A. Huetteman, C.A. Ashby, D.F. Bresnan, and P.L. Roth, "Provenance tests for biomass production using micropropagated clonal silver maple," HortScience 23:603 (1988).

Keywords: Acer/ provenance trials.

652. J.E. Preece, C.A. Huetteman, W.C. Ashby, and P.L. Roth, "Micro- and cutting propagation of silver maple. I. Results with adult and juvenile propagules," Journal of American Society for Horticultural Science 116:142-148 (1991).

Keywords: Acer saccharinum/ tissue culture/ thidiazuron/ clonal propagation/ maple, silver.

653. J.E. Preece, C.A. Huetteman, C.H. Puello, and M.C. Neuman, "The influence of thidiazuron on in vitro culture of woody plants," HortScience 22:259 (1987).

Keywords: clonal propagation/ thidiazuron/ woody crops.

654. K.S. Pregitzer, D.I. Dickmann, R. Hendrick, and P.V. Nguyen, "Whole-tree carbon and nitrogen partitioning in young hybrid poplars," Tree Physiology 7:79-93 (1990).

Keywords: biomass/ nitrogen/ photosynthates/ roots/ poplars.

655. Proceedings of the 1990 Conference on Biomass for Utility Applications, Electric Power Research Institute, Palo Alto, California (1991).

Keywords: carbon dioxide mitigation/ energy crops/ land availability/ combustion/ conversion technology/ gasification.

656. R.C. Purnell and R.C. Kellison, "A tree improvement program for southern hardwoods," pp. 90-98 in Proceedings, 17th Southern Forest Tree Improvement Conference, University of Georgia, Athens, Georgia (1983).

Keywords: hardwoods/ tree improvement.

657. R.C. Purnell and R.C. Kellison, "A tree improvement programme for southern hardwoods," pp. 72-76 in Forest Genetic Resources Information No. 15, FAO, Rome, Italy (1987).

Keywords: hardwoods/ tree improvement.

658. R.C. Radcliffe, E.D. Matson, and J.A. Mattson, "Tree-planting interval indicator," Tree Planters' Notes 32:13-14 (1981).

Keywords: planting/ short rotation intensive culture.

659. M.A. Radwan, Effects of Fertilization on Growth and Foliar Nutrients of Red Alder Seedlings, PNW-RP-375, U.S. Forest Service, Pacific Northwest Research Station, Portland, Oregon (1987).

Keywords: fertilization/ alder, red/ nutrient management.

660. M.A. Radwan and D.S. DeBell, Germination of Red Alder Seed, PNW-370, U.S. Forest Service, Pacific Northwest Forest and Range Experiment Station, Seattle, Washington (1981).

Keywords: germination/ alder, red/ seed/ stratification/ Alnus rubra.

661. M.A. Radwan and D.S. DeBell, "Nutrient relations in coppiced black cottonwood and red alder," Plant and Soil 106:171-177 (1988).

Keywords: Alnus rubra/ Populus trichocarpa/ nutrient status/ coppice.

662. M.A. Radwan and D.S. DeBell, "Phosphorus fertilizer and growth of red alder seedlings in waterlogged soil," Northwest Science 62:29 (1988).

Keywords: Alnus/ fertilization/ growth/ soils/ site characteristics/ yields/ waterlogged soils.

663. M.A. Radwan and D.S. DeBell, "Soil waterlogging, phosphorus, and growth of red alder seedlings," Plant Physiology (Suppl.) 86:546 (1988).

Keywords: Alnus/ fertilization/ growth/ soils/ site characteristics/ yields/ waterlogged soils/ phosphorus.

664. M.A. Radwan, C.A. Harrington, and J.M. Kraft, "Litterfall and nutrient returns in red alder stand in western Washington," Plant and Soil 79:343-351 (1984).

Keywords: Alnus rubra/ aluminum/ economic analysis/ litterfall/ leaf litter/ nitrogen/ nutrients/ alder, red.

665. M.A. Radwan, J.M. Kraft, and D.S. DeBell, Bud Characteristics of Unrooted Stem Cuttings Affect Establishment Success of Cottonwood, PNW-RN-461, U.S. Forest Service, Pacific Northwest Research Station, Olympia, Washington (1987).

Keywords: clonal propagation, stem/ genotypes/ cottonwood, black/ Populus trichocarpa.

666. J.W. Ranney, "New technologies in the production of woody crops for energy in the United States," pp. 387-438 in Advances in Solar Energy: An Annual Review of Research and Development, ed. K.W. Ber, American Solar Energy Society, Inc.; Plenum Press, New York (1986).

Keywords: woody crops/ energy crops/ energy production.

667. J.W. Ranney, "Laboratory updates: Oak Ridge National Laboratory," Biologue 8:30 (1991).

Keywords: environmental impacts/ species selection/ economic analysis/ biomass conversion.

668. J.W. Ranney, "Environmental considerations in biomass resource management for a greenhouse-constrained society," pp. 519-546 in Proceedings from the Technologies for a Greenhouse-Constrained Society, eds. M.A. Kuliasha, A. Zucker and K.J. Ballew, Lewis Publishers, Chelsea, Michigan (1992).

Keywords: environmental impacts/ biomass/ greenhouse effect/ deforestation/ fuels, alternative/ pollution/ climate change.

669. J.W. Ranney, M.C. Bruner, and J.B. Levenson, "The importance of edge in the structure and dynamics of forest islands," pp. 67-95 in Forest Island Dynamics in Man-Dominated Landscapes. Volume 41 of Ecological Studies, Springer-Verlag, New York (1981).

Keywords: border effects/ forests/ environmental impacts/ edge effect.

670. J.W. Ranney and J.H. Cushman, "Regional evaluation of woody biomass production for fuels in the Southeast," pp. 109-120 in Biotechnology and Bioengineering Symposium No. 10, John Wiley and Sons, Inc., New York (1980).

Keywords: regional analysis/ biomass production/ Southeast/ land base/ productivity/ wood biomass.

671. J.W. Ranney and J.H. Cushman, "Silvicultural options and constraints in the production of wood energy feedstocks," p. 10 in Proceedings, Bio-energy '80 Exposition, BioEnergy Council, Washington, DC (1980).

Keywords: silviculture/ biomass feedstocks/ woody crops/ economic analysis/ energy production/ environmental impacts/ species selection/ regional analysis.

672. J.W. Ranney and J.H. Cushman, Short Rotation Woody Crops Program: Annual Progress Report for 1981, ORNL/TM-8120, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1982).

Keywords: short rotation woody crops/ species selection/ economic analysis/ environmental impacts.

673. J.W. Ranney and J.H. Cushman, "Short-rotation woody crops as a source of energy," pp. 1391-1399 in Proceedings, Ninth Energy Technology Conference. Energy Efficiency in the Eighties, ed. R.F. Hill, Government Institutes, Inc., Rockville, Maryland (1982).

Keywords: short rotation woody crops/ biomass/ feedstocks/ short rotation intensive culture/ genetics.

674. J.W. Ranney and J.H. Cushman, "Energy from biomass," pp. 299-311 in The Energy

Sourcebook: A Guide to Technology, Resources and Policy, eds. Howes and Fainberg, American Institute of Physics, New York (1990).

Keywords: biomass/ biofuels/ breeding/ biotechnology/ economic analysis/ biomass conversion.

675. J.W. Ranney, R.J. Dinus, and A.F. Turhollow, "Manipulation of wood chemical traits for energy - an assessment," pp. 33-47 in Proceedings, Workshop for Improvement of Feedstock Quality, University of Toronto Publishers, Toronto, Canada (1990).

Keywords: biomass quality/ chemical composition/ woody crops/ lignin/ cellulose/ hemicellulose/ specific gravity/ ash content.

676. J.W. Ranney, A.R. Ehrenshaft, P.A. Layton, W.A. McNabb, and L.L. Wright, Short Rotation Woody Crops Program Annual Progress Report for 1987, ORNL-6440, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: species selection/ growth/ productivity/ poplars/ economic analysis/ clonal variations/ short rotation woody crops/ environmental impacts.

677. J.W. Ranney and L.K. Mann, "Environmental considerations in energy crop production," Biomass and Bioenergy 6:211-228 (1994).

Keywords: energy crops/ environmental impacts/ biomass/ fertilization/ air quality/ pest management/ productivity/ water/ wastes/ erosion.

678. J.W. Ranney, R.D. Perlack, J.L. Trimble, and L.L. Wright, "Specialized hardwood crops for energy and fiber: status, impact, and need," TAPPI 68:36-41 (1985).

Keywords: hardwoods/ fiber content/ forest products/ fuels/ silviculture/ genetics/ biotechnology/ forestry.

679. J.W. Ranney and J.L. Trimble, The Short Rotation Woody Crops Program: 1982 Program Summary, ORNL-5916, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1982).

Keywords: short rotation woody crops/ environmental impacts/ species selection/ economic analysis.

680. J.W. Ranney, J.L. Trimble, L.L. Wright, J.H. Cushman, and C.R. Wenzel, Short Rotation Woody Crops Program: Annual Progress Report for 1983, ORNL-6085, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1984).

Keywords: environmental impacts/ short rotation woody crops/ species selection/ economic analysis.

681. J.W. Ranney, J.L. Trimble, L.L. Wright, P.A. Layton, R.D. Perlack, C.R. Wenzel, and D.T. Curtin, Short Rotation Woody Crops Program: Annual Progress Report for 1985, ORNL-6254, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1986).

Keywords: environmental impacts/ short rotation woody crops/ species selection/ economic analysis.

682. J.W. Ranney, J.L. Trimble, L.L. Wright, and R.D. Perlack, "Research on short-rotation woody crops in the South," pp. 71-84 in Proceedings from the Third Biomass Energy Research Conference, ed. W.H. Smith, Plenum Press, New York (1986).

Keywords: short rotation woody crops/ species selection/ biomass feedstocks.

683. J.W. Ranney, L.L. Wright, and P.A. Layton, "Hardwood energy crops: the technology of intensive culture," Journal of Forestry 85:17-28 (1987).

Keywords: short rotation intensive culture/ productivity/ management practices/ biofuels/ economic analysis/ weed control/ planting density/ rotation length/ genetic improvement.

684. J.W. Ranney, L.L. Wright, P.A. Layton, W.A. McNabb, C.R. Wenzel, and D.T. Curtin, Short Rotation Woody Crops Program: Annual Progress Report for 1986, ORNL-6348, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1987).

Keywords: short rotation woody crops/ species selection/ economic analysis/ environmental impacts.

685. J.W. Ranney, L.L. Wright, and C.P. Mitchell, "Carbon storage and recycling in short-rotation energy crops," pp. 39-60 in Proceedings, Bioenergy and the Greenhouse Effect, ed. C.P. Mitchell, International Energy Agency and National Energy Administration of Sweden, Stockholm, Sweden (1991).

Keywords: greenhouse effect/ climate change/ environmental impacts/ carbon sequestration.

686. J.W. Ranney, L.L. Wright, and R.D. Perlack, "Strategic role and risks of energy crops in utility power," pp. 2.23-2.32 in Proceedings: Strategic Benefits of Biomass and Waste Fuels, Electric Power Research Institute, Pleasant Hill, California (1993).

Keywords: energy crops/ utility power/ economic analysis/ environmental impacts.

687. J.W. Ranney, L.L. Wright, J.L. Trimble, R.D. Perlack, D.H. Dawson, C.R. Wenzel, and D.T. Curtin, Short Rotation Woody Crops Program: Annual Progress Report for 1984, ORNL-6160, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1985).

Keywords: short rotation woody crops/ species selection/ economic analysis/ environmental impacts.

688. H.M. Rauscher, "The role of expert and hypertext systems in modeling root-shoot interactions and carbon allocation," pp. 219-243 in Biology of Adventitious Root Formation, eds. T.D. Davis and B.E. Haissig, Plenum Press, New York (1994).

Keywords: models/ root-shoot interactions/ carbon allocation.

689. H.M. Rauscher and J.G. Isebrands, "Using expert systems to model tree development," pp. 129-138 in Proceedings, Forest Simulation Systems, eds. L.C. Wensel and G.S. Biging, University of California, Berkeley, California (1990).

Keywords: models/ biomass/ growth/ poplars.

690. H.M. Rauscher, J.G. Isebrands, T.R. Crow, R.E. Dickson, D.I. Dickmann, and D.A. Michael, "Simulating the influence of temperature and light on the growth of juvenile poplars in their establishment year," pp. 331-338 in Forest Growth Modelling and Prediction, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1988).

Keywords: models/ biomass/ growth/ poplars.

691. H.M. Rauscher, J.G. Isebrands, G.E. Host, R.E. Dickson, D.I. Dickmann, T.R. Crow, and D.A. Michael, "ECOPHYS: an ecophysiological growth process model for juvenile poplar," Tree Physiology 7:255-281 (1990).

Keywords: poplars/ growth/ solar radiation/ temperature/ models, ECOPHYS.

692. H.M. Rauscher, J.G. Isebrands, G.E. Host, R.E. Dickson, D.I. Dickmann, T.R. Crow, and D.A. Michael, "ECOPHYS: an ecophysiological growth process model for juvenile poplar," The Forestry Chronicle 68:221 (1992).

Keywords: ecophysiology/ poplars/ models, ECOPHYS/ clonal propagation/ photosynthesis/ genetics.

693. H.M. Rauscher, D.A. Michael, J.G. Isebrands, D. Dickson, T.R. Crow, and D.I. Dickmann, "Exploring the growth of a poplar seedling as influenced by genetics and climate," p. 738 in Proceedings, Forestry Microcomputer Software Symposium, eds. H.V. Wiant, D.O. Yandle and W.E. Kidd, West Virginia University, College of Agriculture and Forestry, Morgantown, West Virginia (1986).

Keywords: poplars/ growth models/ climate/ genetics/ growth responses.

694. J.J. Rawanski, J.A. Bowles, and N.V. Noste, Soil Properties Relate to Conifer Seedling Height Growth in Northern Wisconsin, NC-254, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1980).

Keywords: soil properties/ conifers/ growth patterns.

695. P.L. Raymer, D.G. Bullock, and D.L. Thomas, "Potential of winter and spring rapeseed cultivars for oilseed production in the southeastern U.S.A.," p. 5 in Proceedings of the First National Symposium, New Crops, Purdue University, West Lafayette, Indiana (1988).

Keywords: rapeseed/ oilseed production/ South/ Brassica napus.

696. P.L. Raymer, R.A. Harris, D.A. Wyatt, J. Bradley, J. Brown, W.T. Fike, A.N. Hang, C.H. Hovermale, P.L. Mask, P.M. Porter, D.E. Starner, H.D. Sunderman, and

L.E. Welty, United States National Rapeseed/Canola Variety Trial 1991-92, Special Publication Number 84, University of Georgia, Griffin, Georgia (1993).

Keywords: rapeseed/ canola.

697. K.V. Reddy, "Effect of inbreeding on estimates of genetic parameters in Eucalyptus grandis," in Proceedings, Eighteenth Southern Forest Tree Improvement Conference, eds. R.C. Schmidtling and M.M. Griggs, U.S. Forest Service, Southern Forest Experiment Station, Gulfport, Mississippi (1985).

Keywords: Eucalyptus grandis/ genetic variations/ inbreeding.

698. K.V. Reddy and D.L. Rockwood, "Genetic factors influencing coppice success of eucalypts in Florida," pp. 303-309 in Proceedings, Ninth North American Forest Biology Workshop, Oklahoma State University, Stillwater, Oklahoma (1986).

Keywords: Eucalyptus/ coppice/ frost resistance/ short rotation woody crops/ genetic correlations.

699. K.V. Reddy and D.L. Rockwood, "Breeding strategies for coppice production in a Eucalyptus grandis base population with four generations of selection," Silvae Genetica 38:148-151 (1989).

Keywords: Eucalyptus grandis/ genetic variations/ frost resistance/ heritability/ inbreeding/ genetic improvement/ provenance trials.

700. K.V. Reddy, D.L. Rockwood, C.W. Comer, and G.F. Meskimen, "Predicted genetic gains adjusted for inbreeding for a Eucalyptus grandis seed orchard," pp. 283-289 in Proceedings, Eighteenth Southern Forest Tree Improvement Conference, eds. R.C. Schmidtling, and M.M. Griggs, U.S. Forest Service, Southern Forest Experiment Station, Gulfport, Mississippi (1985).

Keywords: Eucalyptus grandis/ heritability/ inbreeding/ selfing.

701. K.V. Reddy, D.L. Rockwood, C.W. Comer, and G.F. Meskimen, "Genetic improvement of Eucalyptus grandis for biomass production in Florida," pp. 103-110 in Proceedings, Third Southern Biomass Energy Research Conference, University of Florida, Gainesville, Florida (1986).

Keywords: Eucalyptus grandis/ frost resistance/ heritability/ genetic improvement/ genetic correlations/ coppice/ energy crops.

702. K.V. Reddy, D.L. Rockwood, and G.F. Meskimen, "A strategy for conversion of an Eucalyptus grandis base population into a seedling orchard," pp. 613-621 in Proceedings, Breeding Theory, Progeny Testing, and Seed Orchards, International Union of Forestry Research Organizations, Ljubljana, Yugoslavia (1986).

Keywords: Eucalyptus grandis/ seedlings.

703. R.L. Reed, M.A. Sanderson, M.A. Hussey, W.R. Ocumpaugh, J.C. Read, C.R. Tischler, and B.A. Young, "Determining optimal establishment and cultural practices for switchgrass biomass production in Texas," ed. R.M. Jones, Forage Research in Texas, 1993, CPR-5078-5102, Texas A&M, Kingsville, Texas (1994).

Keywords: switchgrass/ biomass/ management practices/ establishment methods.

704. R.L. Reed, M.A. Sanderson, M.A. Hussey, W.R. Ocumpaugh, J.C. Read, C.R. Tischler, and B.A. Young, "Switchgrass management for biomass in the south-central U.S.," pp. 47-56 in Liquid Fuels, Lubricants and Additives from Biomass, ed. B.E. Dale, American Society of Agricultural Engineers, St. Joseph, Michigan (1994).

Keywords: biomass/ management practices/ nitrogen fertilization/ Panicum virgatum/ switchgrass.

705. R. Reichenbacker and E.R. Hart, "Impact of artificial defoliation on Populus growth and biomass production," in The Third North American Agroforestry Conference - Opportunities for Agroforestry in the Temperate Zone Worldwide, Iowa State University, Ames, Iowa (1993).

Keywords: agroforestry/ artificial defoliation/ poplars/ growth/ biomass production.

706. G.L. Reighard, "Genetic and cultural factors affecting growth performance of slash pine," pp. 100-106 in Proceedings, Eighteenth Southern Forest Tree Improvement Conference, eds. R.C. Schmidtling and M.M. Griggs, U.S. Forest Service, Southern Forest Experiment Station, Gulfport, Mississippi (1985).

Keywords: pine, slash/ growth responses/ genetic variations/ management practices.

707. G.L. Reighard, G. Howe and J.W. Hanover, "Effects of chemical weed control and seedling planting depth on survival and growth of aspen," Tree Planters' Notes 36:3-7 (1985).

Keywords: aspens/ weed control/ seedlings/ planting/ Populus grandidentata/ Populus tremuloides.

708. G.L. Reighard and D.L. Rockwood, "Plot subsampling in intensively cultured slash and sand pine tests," pp. 27-30 in Proceedings, Seventh Southern Forest Biomass Workshop, ed. D.L. Rockwood, University of Florida, Gainesville, Florida (1985).

Keywords: pine, slash/ Pinus elliottii/ pine, sand/ Pinus clausa.

709. T.W. Reisinger and R.A. Kluender, Storage and Handling of Whole Tree Chips and Residues for Fuel, Publication No. 83A2, American Pulpwood Association, Southwide Energy Committee, Washington, DC (1983).

Keywords: storage/ handling/ whole-tree chips/ residues/ resource assessment.

710. C.R. Ridge, T.M. Hinckley, R.F. Stettler, and E. Van Volkenburgh, "Leaf growth characteristics of fast growing hybrids (Populus trichocarpa x P. deltoides)," Tree Physiology 1:209-216 (1986).

Keywords: Populus trichocarpa/ Populus deltoides/ leaf development.

711. H. Riekerk, "Environmental impacts of intensive silviculture in Florida," in Symposium on Forest Site and Continuous Productivity, eds. S.P. Gessel and R. Ballard, U.S. Forest Service, Pacific Northwest Research Station, Seattle, Washington (1982).

Keywords: silviculture/ biomass/ environmental impacts.

712. H. Riekerk, L.F. Conde, J.C. Hendrickson, and W.S. Gain, "Research on environmental and site effects of forest management practices in the lower coastal plain," ed. J.P. Barnett, Proceedings of the First Biennial Southern Silvicultural Research Conference, SO-34, U.S. Forest Service, Southeastern Forest Experiment Station, Asheville, North Carolina (1980).

Keywords: management practices/ forests/ environmental impacts/ silviculture/ fuelwood/ short rotation woody crops/ pulpwood/ Eucalyptus.

713. H. Riekerk, J.C. Hendrickson, and W.S. Gain, "Site and environmental effects of tree biomass silviculture," pp. 1581-1591 in Proceedings, 1981 International Gas Research Conference, University of Florida, Gainesville, Florida (1981).

Keywords: pines/ Eucalyptus/ soil properties/ environmental impacts/ Casuarina/ water/ nutrients/ weed control.

714. D.E. Riemenschneider, "Genomic manipulation of plant materials for adventitious rooting research," pp. 61-76 in First International Symposium on the Biology of Adventitious Root Formation, eds. T.D. Davis and B.E. Haissig, Plenum Press, New York (1994).

Keywords: genomic manipulation/ roots, adventitious/ roots/ genotypes.

715. D.E. Riemenschneider and B.E. Haissig, "Producing herbicide tolerant Populus using genetic transformation mediated by Agrobacterium tumefaciens C58: a summary of recent research," ed. M.R. Ahuja, Biotechnology of Woody Plants, Plenum Press, New York (1990).

Keywords: herbicide resistance/ target enzymes/ Populus/ genetic engineering.

716. D.E. Riemenschneider, B.E. Haissig, and E.T. Bingham, "Integrating biotechnology and conventional breeding in plant breeding programs," pp. 433-449 in Genetic Manipulation of Woody Plants, eds. J.W. Hanover and D. Keathley, Plenum Press, New York (1988).

Keywords: biotechnology/ genetic engineering/ breeding.

717. D.E. Riemenschneider, B.E. Haissig, J.C. Sellmer, and J.J. Fillatti, "Expression of a herbicide tolerance gene in young plants of a transgenic hybrid poplar clone," pp. 73-80 in Somatic Cell Genetics of Woody Plants, ed. M.R. Ahuja, Kluwer Academic Publishers, The Netherlands (1988).

Keywords: herbicides/ glyphosate/ herbicide resistance/ Salmonella typhimerium aroA gene/ poplars, hybrid/ Agrobacterium tumefaciens/ growth patterns.

718. D.E. Riemenschneider and J.G. Isebrands, "Physiological and genetic strategies for selecting poplar crop plants," p. 69 in Abstracts of Papers and Posters Presented at the Annual Meetings and Joint Conference of the Western Forest Genetics Association, James River Corporation, Camas, Washington (1994).

Keywords: genetic improvement/ poplars/ selection criteria.

719. D.E. Riemenschneider and B.G. McMahon, "Genetic variation among Lake States balsam poplar populations is associated with geographic origin," Forest Science 39:130-136 (1993).

Keywords: Populus balsamifera/ phenology/ sylleptic branching/ principal component analysis/ cluster analysis.

720. D.E. Riemenschneider, B.G. McMahon, and M.E. Ostry, "Use of selection indices to increase tree height and to control damaging agents in 2-year-old balsam poplar," Canadian Journal of Forestry Research 22:561-567 (1992).

Keywords: growth/ poplar, balsam/ Populus balsamifera/ phenology/ leaf development/ genetics/ phenotypic variation/ clonal prop agation/ sylleptic branching/ Septoria/ Melampsora/ rust, leaf.

721. W.J. Rietveld and R.W. Tinus, "A simple method for evaluating whole-plant cold hardiness," Tree Planters' Notes 38:16-18 (1987).

Keywords: cold hardiness/ trees/ physiology/ freeze resistant/ stress effects.

722. D.R. Roberts and S.B. Carpenter, "Effects of cultural treatments on the establishment and initial growth of black locust on mine spoil for biomass production," pp. 15-17 in Symposium on Surface Mining Hydrology, Sedimentology and Reclamation, University of Kentucky, Lexington, Kentucky (1980).

Keywords: management practices/ growth/ locust, black/ mine spoil/ biomass production/ Robinia pseudoacacia/ seedlings/ fertilization/ vegetation, herbaceous.

723. P.S. Roberts and J. Zavitkovski, Growth of Hybrid Poplars, White Spruce, and Jack Pine Under Various Artificial Lights, NC-206, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1980).

Keywords: poplars, hybrid/ spruce, white/ pine, jack/ light.

724. D.L. Rockwood, "Alternative designs for progeny testing slash pine," pp. 179-185 in Proceedings, 17th Southern Forest Tree Improvement Conference, University of Georgia, Athens, Georgia (1983).

Keywords: pine, slash/ progeny tests.

725. D.L. Rockwood, "Biomass feedstocks: improvement in quality and quantity through genetic selection and breeding," pp. 72-76 in Summary of the Southern Biomass Energy Research Conference, University of Alabama, Tuscaloosa, Alabama (1983).

Keywords: biomass/ productivity/ biomass quality/ breeding/ genetic improvement.

726. D.L. Rockwood, "Genetic improvement potential for biomass quality and quantity," Biomass 6:37-45 (1984).

Keywords: genetic improvement/ biomass quality/ productivity.

727. D.L. Rockwood, "Development of woody biomass cultural systems for Florida," pp. 85-94 in Biomass Energy Development, ed. W.H. Smith, Plenum Press, New York (1986).

Keywords: woody crops/ management practices.

728. D.L. Rockwood, C.W. Comer, L.F. Conde, D.R. Dippon, J.B. Huffman, H. Riekerk, and S. Wang, Energy and Chemicals from Woody Species in Florida. Final Report for the Period April 17, 1978-May 16, 1983, ORNL/Sub/81-9050/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1983).

Keywords: woody crops/ species selection/ by-products/ chemical composition/ biomass resources.

729. D.L. Rockwood, C.W. Comer, D.R. Dippon, and J.B. Huffman, Woody Biomass Production Options for Florida, Technical Bulletin 856, University of Florida, Agricultural Experiment Station, Gainesville, Florida (1985).

Keywords: woody crops/ management practices.

730. D.L. Rockwood and L.F. Conde, "Genetic variation for biomass production in Eucalyptus grandis," Silvicultura (International Union of Forestry Research Organizations Fast Growing Trees Symposium) 8:652-653 (1983).

Keywords: Eucalyptus grandis/ genetic variations.

731. D.L. Rockwood, L.F. Conde, and R.H. Brendemuehl, Biomass Production of Closely Spaced Choctawhatchee Sand Pines, SE-293, U.S. Forest Service, Southeast Experiment Station, Asheville, North Carolina (1980).

Keywords: Pinus clausa/ biomass plantations/ sandhills.

732. D.L. Rockwood, L.F. Conde, and R.F. Fisher, "Maximizing woody biomass production in Florida," pp. 859-867 in Proceedings, 1981 International Gas Research Conference, University of Florida, Gainesville, Florida (1981).

Keywords: species selection/ pines/ Eucalyptus.

733. D.L. Rockwood, L.F. Conde, and J.B. Huffman, "Utilization of Melaleuca quinquenervia for biomass production," Silvicultura (International Union of Forestry Research Organizations Fast Growing Trees Symposium) 8:375-376 (1983).

Keywords: genetic improvement/ productivity/ planting density/ biomass/ Melaleuca.

734. D.L. Rockwood and J.D. DeValerio, "Promising species for woody biomass production in warm-humid environments," Biomass 11:17 (1986).

Keywords: genetic variations/ biomass production/ Florida/ Eucalyptus/ Leucaena leucocephala/ Liquidambar styraciflua/ Platanus occidentalis/ Sapium sebiferum.

735. D.L. Rockwood and D.R. Dippon, "Prospects for commercialization of Eucalyptus biomass plantations in Florida," pp. 233-249 in Proceedings, Energy from Biomass and Wastes X, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1987).

Keywords: Eucalyptus/ commercialization/ plantation management.

736. D.L. Rockwood and D.R. Dippon, "Biological and economic potentials of Eucalyptus grandis and slash pine as biomass energy crops," Biomass 20:155-165 (1989).

Keywords: Pinus elliottii/ biomass/ energy crops/ short rotation intensive culture/ soil types/ planting density/ Eucalyptus grandis.

737. D.L. Rockwood, D.R. Dippon, and C.W. Comer, "Potential of Eucalyptus grandis for biomass production in Florida," Bioenergy 84:86-93 (1984).

Keywords: Eucalyptus grandis.

738. D.L. Rockwood, D.R. Dippon, and M.S. Lesney, Woody Species for Biomass Production in Florida. Final Report 1983-1988, ORNL/Sub/81-09050/7, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: species selection/ woody crops.

739. D.L. Rockwood and L.J. Frampton Jr., "Genetic variation in sand pine and slash pine for energy production in silvicultural biomass plantations," pp. 156-165 in Proceedings, 15th Southern Forest Tree Improvement Conference, Mississippi State University, Biloxi, Mississippi (1979).

Keywords: Pinus clausa/ Pinus elliottii/ genetic variations/ pine, sand/ pine, slash/ energy production/ silviculture/ biomass.

740. D.L. Rockwood and T.F. Geary, "Genetic variation in biomass productivity and coppicing of intensively grown Eucalyptus grandis in southern Florida," pp. 400-403 in Proceedings, 7th North American Forest Biology Workshop, University of Kentucky, Lexington, Kentucky (1982).

Keywords: GxE interaction/ spacing/ genetic variations/ yields/ coppice/ Eucalyptus grandis.

741. D.L. Rockwood, T.F. Geary, and P.S. Bourgeron, "Planting density and genetic influences on seedling growth and coppicing of eucalypts in southern Florida," pp. 95-102 in Proceedings, 1982 Southern Forest Biomass Workshop, U.S. Forest Service, Southern Forest Experiment Station, New Orleans, Louisiana (1982).

Keywords: Eucalyptus/ soils/ planting density.

742. D.L. Rockwood, J.B. Huffman, and L.F. Conde, "Potential of Casuarina spp. for biomass production in Florida," Silvicultura (International Union of Forestry Research Organizations Fast Growing Trees Symposium) 8:376-377 (1983).

Keywords: Casuarina equisetifolia/ Casuarina cunninghaminana/ Casuarina glauca/ biomass production/ growth patterns/ outplantings.

743. D.L. Rockwood, R.C. Kellison, E.C. Franklin, and G.F. Meskimen, "Operational advanced generation improvement programs for minor species in the South," pp. 27-37 in Proceedings of a Workshop in Advanced Generation Breeding: Current Status and Research Needs, Louisiana Agricultural Experiment Station, Louisiana State University Agricultural Center, Southern Cooperative Series, Baton Rouge, Louisiana (1986).

Keywords: Pinus taeda/ Pinus elliottii/ Pinus palustris/ Pinus virginiana/ Pinus clausa/ hardwood regeneration/ progeny tests/ breeding/ provenance trials/ Eucalyptus grandis.

744. D.L. Rockwood and G.M. Prine, "Alternative production systems: woody crops," pp. 277-289 in Methane: A Systematic Approach, eds. W.H. Smith and J.R. Frank, Elsevier Science Publishers Ltd., London (1988).

Keywords: species selection/ production systems.

745. D.L. Rockwood, K.V. Reddy, E.I. Warrag, and C.W. Comer, "Development of Eucalyptus amplifolia for woody biomass production," Australian Forest Research 17:173-178 (1987).

Keywords: Eucalyptus/ coppice.

746. D.L. Rockwood, E.I. Warrag, J. Bryan, and K. Kratz, "Recent advances in the development of Eucalyptus grandis for commercial planting in Southern Florida," pp. 317-326 in Proceedings, Fifth Biennial Southern Silvicultural Research Conference, ed. J.H. Miller, U.S. Forest Service, Southern Forest Experiment Station, New Orleans, Louisiana (1989).

Keywords: Eucalyptus/ freeze resistant/ stems/ biomass composition/ clonal propagation.

747. D.L. Rockwood, C.F. Windsor, and J.F. Hodges, "Response of slash pine progenies to fertilization," Southern Journal of Applied Forestry 8:37-40 (1983).

Keywords: pine, slash/ fertilization.

748. J. Roden, E.V. Volkenburgh, and T.M. Hinckley, "Cellular basis for limitation of poplar leaf growth by water deficit," Tree Physiology 6:611-219 (1990).

Keywords: poplars/ leaf development/ water balance.

749. K.R. Roeder and D.L. Rockwood, Potential Stem Biomass and Energy Content Yields of Eucalyptus grandis and Eucalyptus robusta in South Florida, Technical Bulletin 831, University of Florida, Agricultural Experiment Station, Gainesville, Florida (1982).

Keywords: prediction equations/ models/ Eucalyptus grandis/ Eucalyptus robusta.

750. D.L. Rogers, R.F. Stettler, and P.E. Heilman, "Genetic variation and productivity of Populus trichocarpa and its hybrids. III. Structure and pattern of variation in a 3-year field test," Canadian Journal of Forestry Research 19:372-377 (1989).

Keywords: poplars/ hybrids/ genetic variations/ productivity.

751. D.W. Rose, K.D. Ferguson, D.C. Lothner, and J. Zavitkovski, An Economic and Energy Analysis of Poplar Intensive Cultures in the Lake States, NC-196, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1981).

Keywords: economic analysis/ poplars/ intensive culture/ Lake States/ energy content.

752. D.W. Rose, B. Walker, K.D. Ferguson, and D.C. Lothner, "A comparison of the energy efficiency of intensive and extensive hybrid poplar production systems," pp. 53-70 in Fuels from Biomass and Wastes, eds. D.L. Klass and G.H. Emert, Ann Arbor Science Publishers, Ann Arbor, Michigan (1981).

Keywords: production systems/ energy inputs.

753. C.E. Rowell and S.B. Carpenter, "Evaluating and predicting black locust biomass production on reclaimed surface mines in Kentucky," pp. 405-411 in Symposium on Surface Mining Hydrology, Sedimentology and Reclamation, University of Kentucky, Lexington, Kentucky (1980).

Keywords: locust, black/ biomass production/ surface mines/ Kentucky/ Robinia pseudoacacia/ nitrogen fixation.

754. J.A. Russell, M. Banaras, and B.H. McCown, "Osmotic microenvironments within tissue culture well plates are an important cause of variability in plant protoplast cultures," In Vitro Cellular and Developmental Biology 24:605-608 (1988).

Keywords: osmotic potential/ tissue culture/ evaporation.

755. J.A. Russell and B.H. McCown, "Culture and regeneration of Populus leaf protoplasts isolated from nonseedling tissue," Plant Science 46:133-142 (1986).

Keywords: poplars/ plant regeneration/ thidiazuron/ tissue culture.

756. J.A. Russell and B.H. McCown, "Techniques for enhanced release of leaf protoplasts in Populus," Plant Cell Reports 5:284-287 (1986).

Keywords: poplars/ tissue culture.

757. R.L. Sajdak, Y.Z. Lai, G.D. Mroz, and M.F. Jurgensen, "Forest biomass for energy: a perspective," pp. 21-48 in Biomass as a Nonfossil Fuel Source, ed. D.L. Klass, American Chemical Society, San Diego, California (1981).

Keywords: forest biomass.

758. M.S. Salk and A.G. Folger, Characterization of the Southwest United States for the Production of Biomass Energy Crops, ORNL/TM-10203, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1987).

Keywords: Southwest/ biomass/ energy crops/ production.

759. R.N. Sampson and T. Hamilton, "Can trees really help fight global warming," American Forests 98(5/6):13-16 (1992).

Keywords: climate change/ carbon dioxide/ greenhouse gases.

760. R.N. Sampson, L.L. Wright, J.K. Winjum, J.D. Kinsman, J. Benneman, E. Kursten, and J.M.O. Scurlock, "Biomass management and energy," pp. 139-159 in Water, Air, and Soil Pollution, eds. J. Wisniewski and R.N. Sampson, Kluwer Academic Publishers, The Netherlands (1993).

Keywords: biomass/ carbon dioxide/ biofuels.

761. G.E. Scarascia-Mugnozza, T.M. Hinckley, and R.F. Stettler, "Evidence for nonstomatal inhibition of net photosynthesis in rapidly dehydrated shoots of Populus," Canadian Journal of Forestry Research 16:1371-1375 (1986).

Keywords: photosynthesis/ stress effects/ water stress.

762. G.E. Scarascia-Mugnozza, J.G. Isebrands, T.M. Hinckley, and R.F. Stettler, "Dynamics of light interception, leaf area and biomass production in Populus clones in the establishment year," Annales Des Sciences Forestieres 46:515s-518s (1989).

Keywords: crown architecture/ genotypes/ light interception/ biomass/ Populus.

763. G.E. Scarascia-Mugnozza, J.G. Isebrands, T.M. Hinckley, and R.F. Stettler, "Structural characteristics and assimilates translocation patterns of different types of branches in hybrid poplars," in Ecophys: International Workshop, Dynamics of Ecophysiological Processes in Tree Crowns and Forest Canopies, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1990).

Keywords: poplars, hybrid/ structural characteristics/ translocation.

764. R. Scheithauer and K. Dripchak, Economics of Vegetable Oil Processing, ORNL/Sub/87-SA185/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: economic analysis/ oilseeds/ rapeseed.

765. H.W. Scheld, N.B. Bell, G.N. Cameron, J.R. Cowles, C.R. Engler, A.D. Krikorian, and E.B. Schultz Jr., "The Chinese tallow tree as a cash and petroleum-substitute crop," pp. 97-111 in Tree Crops for Energy Production on Farms, Solar Energy Research Institute, Golden, Colorado (1981).

Keywords: Chinese tallow tree.

766. H.W. Scheld and J.R. Cowles, "Woody biomass potential of the Chinese tallow tree," Economic Botany 35:391-397 (1981).

Keywords: Chinese tallow tree/ productivity.

767. H.W. Scheld, J.R. Cowles, C.R. Engler, R.L. Kleiman, S.L. Mathieu, and E.B. Shultz Jr., "Seeds of the Chinese tallow tree, Sapium sebiferum (L.) Roxb., as a source of chemicals and fuel," in Fuels and Chemicals from Oilseeds: Technology and Policy Options, eds. R.P. Morgan and E.B. Shultz Jr., Westview Press, Washington, DC (1984).

Keywords: Chinese tallow tree/ chemical composition/ by-products/ oilseeds.

768. H.W. Scheld, J.R. Cowles, R.L. Kleiman, C.R. Engler, and E.B. Shultz Jr., "Sapium sebiferum," pp. 46-49 in Firewood Crops: Shrub and Tree Species for Energy Production, National Academy Press, Washington, DC (1983).

Keywords: Sapium sebiferum.

769. A.L. Schipper Jr. and M.A. Palmer, "Distribution of Septotinia leaf spot of poplars in the north central United States," Phytopathology 69:1044 (1979).

Keywords: poplars/ diseases.

770. T.H. Schubert, "Preliminary results of Eucalyptus/legume mixtures in Hawaii," Nitrogen Fixing Tree Research Reports 3:65-66 (1985).

Keywords: Eucalyptus/ legumes/ nitrogen fixation/ admixtures.

771. T.H. Schubert, D.S. DeBell, and C.D. Whitesell, "Eucalyptus/legume mixtures for biomass production in Hawaii," Nitrogen Fixing Tree Research Reports 6:26-27 (1988).

Keywords: Eucalyptus/ Albizia/ admixtures/ legumes.

772. T.H. Schubert and G.P. Markin, "Control of ambrosia beetle in Eucalyptus stumps, 1984," Insecticide and Acaricide Tests 12:352-352 (1987).

Keywords: Eucalyptus/ pests/ beetles, ambrosia.

773. T.H. Schubert, R.F. Strand, T.G. Cole, and K.E. McDuffie, Equations for Predicting Biomass of Six Introduced Subtropical Tree Species, Island of Hawaii, PSW-401, U.S. Forest Service, Pacific Southwest Forest Experiment Station, Berkeley, California (1988).

Keywords: biomass/ Albizia falcataria/ Eucalyptus grandis/ Acacia melanoxylon/ Eucalyptus globulus/ Eucalyptus robusta/ Eucalyptus urophylla/ prediction equations.

774. T.H. Schubert and C.D. Whitesell, Species Trials for Biomass Plantations in Hawaii: A First Appraisal, PSW-176, U.S. Forest Service, Pacific Southwest Forest Experiment Station, Berkeley, California (1985).

Keywords: species selection/ Eucalyptus/ Albizia/ Acacia/ biomass/ subtropical/ Hawaii.

775. P.J. Schulte and T.M. Hinckley, "A comparison of pressure-volume curve data analysis techniques," Journal of Experimental Botany 36:1590-1602 (1985).

Keywords: models.

776. P.J. Schulte and T.M. Hinckley, "Stomatal aperture and guard cell water relationships in Populus," Plant Physiology (Suppl.) 77:142 (1985).

Keywords: poplars/ stomata/ guard cells/ water potential.

777. P.J. Schulte and T.M. Hinckley, "Abscisic acid relations and the response of Populus trichocarpa stomata to leaf water potential," Tree Physiology 3:103-113 (1987).

Keywords: abscisic acid/ poplars/ stomata/ leaf composition/ Populus trichocarpa.

778. P.J. Schulte and T.M. Hinckley, "The relationship between guard cell water potential and the aperture of stomata in Populus," Plant Cell Environment 10:313-318 (1987).

Keywords: Populus trichocarpa/ poplars/ stomata/ guard cells/ water potential/ epidermal strips.

779. P.J. Schulte, T.M. Hinckley, and R.F. Stettler, "Stomatal responses of Populus to leaf water potential," Canadian Journal of Botany 65:255-260 (1987).

Keywords: poplars/ stomatal behavior/ water potential.

780. E.B. Schultz and S.B. Land Jr., "Juvenile-mature correlations in sycamore," pp. 376-383 in Proceedings, 19th Southern Forest Improvement Conference, National Technical Information Service, Springfield, Virginia (1987).

Keywords: sycamores/ Platanus occidentalis/ early selection/ stability.

781. R.C. Schultz, J.G. Isebrands, and P.P. Kormanik, "Populus hybrids form VA endomycorrhizae," p. 38 in Proceedings of the Seventh North American Forest Biology Workshop: Physiology and Genetics of Intensive Culture, University of Kentucky, Lexington, Kentucky (1982).

Keywords: poplars, hybrid/ mycorrhiza.

782. J.R. Schutt, H.H. Shugart, and J.W. Ranney, Crown Geometry of Plantation-Grown American Sycamore and Its Simulation, ORNL/TM-9721, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1985).

Keywords: sycamores/ crown architecture.

783. J.C. Sellmer, B.H. McCown, and B.E. Haissig, "Shoot culture dynamics of six Populus clones," Tree Physiology 5:219-227 (1989).

Keywords: biotechnology/ clonal propagation/ Populus.

784. K. Sibold, "Planting for energy," Iowa Conservationist September:13-15 (1990).

Keywords: economic analysis/ production/ energy crops.

785. H.G. Sims and F. Kropp, Economic Assessment of Biomass Plantations, Final Report, Seattle City Light, Seattle, Washington (1982).

Keywords: economic analysis/ biomass plantations.

786. S.K. Singh, W.P. Walawender, L.T. Fan, and W.A. Geyer, "Steam gasification of cottonwood (branches) in fluidized bed," Journal of Wood and Fiber Science 18:327-344 (1986).

Keywords: cottonwoods/ gasification.

787. R.G. Skolmen, Performance of Australian Provenances of Eucalyptus grandis and Eucalyptus saligna in Hawaii, PSW-181, U.S. Forest Service, Pacific Southwest Forest Experiment Station, Berkeley, California (1986).

Keywords: Eucalyptus grandis/ Eucalyptus saligna.

788. C.L. Skrukrud, S.E. Taylor, D.R. Hawkins, and M. Calvin, "Triterpenoid biosynthesis in Euphorbia lathyris," p. 3, Plant Lipids: Biochemistry, Structure, and Function, Plenum Press, New York (1986).

Keywords: triterpenoids/ biosynthesis/ Euphorbia lathyris/ latex.

789. S.E. Sladden and D.I. Bransby, Improved Conversion of Herbaceous Biomass to Biofuels: Potential for Modification of Key Plant Characteristics, Final Report on a Literature Review and Survey, ORNL/Sub/88-SC011/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1989).

Keywords: conversion technology/ herbaceous energy crops/ biomass/ biofuels.

790. S.E. Sladden, D.I. Bransby, and G.E. Aiken, "Biomass yield, composition and production costs for eight switchgrass varieties in Alabama," Biomass and Bioenergy 1(2):119-122 (1991).

Keywords: herbaceous energy crops/ Panicum virgatum/ yields/ chemical composition/ production/ Alabama.

791. S.E. Sladden, D.I. Bransby, and G.E. Aiken, "High productivity of switchgrass creates enthusiasm in AAES research," Highlights of Agricultural Research 38:4 (1991).

Keywords: switchgrass/ perennials/ yields.

792. S.E. Sladden, D.I. Bransby, G.E. Aiken, and G.M. Prine, "Biomass yield and composition and winter survival of tall grasses in Alabama," Biomass and Bioenergy 1(2):123-127 (1991).

Keywords: yields/ chemical composition/ napiergrass/ energy cane/ sorghum/ sugarcane/ Pennisetum/ Acer/ cold tolerance.

793. V.A. Smith, D.B. Orr, and E.R. Hart, "Economic analysis of two-spotted spider mite management on greenhouse-grown poplars," Tree Planters' Notes Fall:154-156 (1993).

Keywords: economic analysis/ spider mites/ greenhouse-grown plants/ poplars.

794. W.H. Smith and M.L. Dowd, "Biomass production in Florida," Journal of Forestry 79:508-511, 515 (1981).

Keywords: Florida/ biomass production.

795. S.K. Snook, P. Labosky Jr., T.W. Bowersox, and P.R. Blankenhorn, "Pulp and papermaking properties of hybrid poplar grown under four management strategies and two soil sites," Wood and Fiber Science 18:157-167 (1985).

Keywords: poplars/ management practices/ paper/ pulpwood.

796. H.E. Sommer, "Literature guide for plant tissue culture," pp. 599-607 in CRC Handbook of Biosolar Resources, eds. O.R. Zaborsky, A. Mitsui and C.C. Black, CRC Press, Inc., Boca Raton, Florida (1982).

Keywords: tissue culture/ callus/ breeding.

797. H.E. Sommer, "Sources and collections of woody forest plants," pp. 597-598 in CRC Handbook of Biosolar Resources, eds. O.R. Zaborsky, A. Mitsui and C.C. Black, CRC Press, Inc., Boca Raton, Florida (1982).

Keywords: seedlings/ woody crops.

798. H.E. Sommer, "Organogenesis in woody angiosperms: applications to vegetative propagation," Bulletin De La Societe Botanique De France 130:79-85 (1983).

Keywords: propagation/ poplars/ sweetgum/ Liquidambar styraciflua/ clonal propagation.

799. H.E. Sommer and C.L. Brown, "Application of tissue culture to forest tree improvement," pp. 461-491 in Plant Cell and Tissue Culture Principles and Applications, eds. W.R. Sharpe, P.O. Larsen, E.F. Paddock and V. Raghavan, Ohio State University Press, Columbus, Ohio (1979).

Keywords: tissue culture/ tree improvement.

800. H.E. Sommer and C.L. Brown, "Embryogenesis in tissue culture of sweetgum," Forest Science 26:257-260 (1980).

Keywords: Liquidambar styraciflua/ clonal propagation/ tissue culture/ embryogenesis.

801. H.E. Sommer and L.S. Caldas, "In vitro methods applied to forest trees," pp. 349-358 in Plant Tissue Culture, ed. T.A. Thorpe, Academic Press, Inc., New York (1981).

Keywords: tissue culture/ propagation/ tree improvement.

802. H.E. Sommer and H.Y. Wetzstein, "Hardwoods," pp. 511-540 in Handbook of Plant Cell Culture, eds. D.A. Evans, W.R. Sharp, P.V. Ammirato and Y. Yomado, MacMillan Company, New York (1984).

Keywords: hardwoods/ tissue culture.

803. H.E. Sommer, H.Y. Wetzstein, and N. Lee, "Advances in the tissue culture of Liquidambar styraciflua L.," in Proceedings, Eighteenth Southern Forest Tree Improvement Conference, U.S. Forest Service, Southern Forest Experiment Station, Gulfport, Mississippi (1985).

Keywords: Liquidambar styraciflua/ tissue culture.

804. H.E. Sommer, H.Y. Wetzstein, M. Stine, and N. Lee, "Differentiation in tissue culture of sweetgum and southern pines," pp. 35-37 in Proceedings, 1984 TAPPI Research and Development Conference, TAPPI Press, Atlanta, Georgia (1984).

Keywords: Liquidambar styraciflua/ Pinus palustris/ Pinus elliottii/ clonal propagation.

805. S.H. Son, H.K. Moon, and R.B. Hall, "Somaclonal variation in plants regenerated from callus culture of hybrid aspen (Populus alba L. x P. grandidentata Michx.)," Plant Science 90:89-94 (1993).

Keywords: poplars/ tissue culture/ callus/ phenotypic variation/ chromosome number/ protein, growth related.

806. W.E. Sopper, D.R. DeWalle, and S.N. Kerr, "Utilization of municipal wastewater and waste heat for energy production from forest biomass," pp. 572-581 in Proceedings, Third National Conference on Technology for Energy Conservation, Information Transfer, Inc., Silver Springs, Maryland (1979).

Keywords: municipal wastewater/ waste heat/ energy production/ forest biomass.

807. W.E. Sopper and S.N. Kerr, "Increased woody biomass production and land treatment of wastewater: an economic symbiotic relationship," pp. 118-125 in Proceedings, Technology for Energy Conservation, Information Transfer, Inc., Silver Springs, Maryland (1979).

Keywords: short rotation woody crops/ production/ land availability/ wastewater/ economic analysis.

808. W.E. Sopper and S.N. Kerr, "Maximizing forest biomass energy production by municipal wastewater irrigation," pp. 115-133 in Proceedings, Energy from Biomass and Wastes III, Institute of Gas Technology, Chicago, Illinois (1979).

Keywords: forests/ biomass/ energy production/ wastewater/ irrigation/ poplars, hybrid.

809. T.J. Stadt and J.W. Hanover, Recommended Tree Seed Sources for Use in Michigan, Research Report 445, Michigan State University, Agricultural Experiment Station, East Lansing, Michigan (1983).

Keywords: Michigan/ species selection/ seed source.

810. K. Steinbeck, "Intensively managed short rotation coppice forests," pp. 123-129 in 27th Annual Forestry Symposium: Energy and the

Southern Forest, eds. E.T. Choong and J.L. Chambers, Louisiana State University, School of Forestry and Wildlife Management, Baton Rouge, Louisiana (1978).

Keywords: intensive culture/ short rotation woody crops/ coppice/ silviculture.

811. K. Steinbeck, "Short-rotation hardwood forestry in the Southeast," pp. 175-183 in 2nd Annual Symposium on Fuels from Biomass, Rensselaer Polytechnic Institute, Troy, New York (1978).

Keywords: short rotation woody crops/ hardwoods/ Southeast.

812. K. Steinbeck, "Biomass energy sources for Alabama," Journal of the Alabama Academy of Science 51:86-91 (1980).

Keywords: biomass/ Alabama/ biomass resources.

813. K. Steinbeck, "Energy output/input ratios for short-rotation growth of American sycamore," pp. 71-77 in Fuels from Biomass and Wastes, eds. D.L. Klass and G.H. Emert, Ann Arbor Science Publishers, Ann Arbor, Michigan (1981).

Keywords: sycamores/ fuels/ biomass/ wastes/ short rotation woody crops/ growth/ wood.

814. K. Steinbeck, "Short-rotation forestry as a biomass source: an overview," pp. 163-171 in Proceedings, Energy from Biomass, 1st European Communities Conference, Applied Science Publishers Ltd., London (1981).

Keywords: short rotation woody crops/ biomass.

815. K. Steinbeck, "Potentialities of short-rotation forestry for developing countries," Outlook Agriculture 12:160-164 (1983).

Keywords: short rotation woody crops/ economic analysis.

816. K. Steinbeck and L.C. Nwoboshi, "Rootstock mass of coppiced Platanus occidentalis as affected by spacing and rotation length," Forest Science 26:545-547 (1980).

Keywords: sycamores/ coppice/ rootstock/ rotation length/ spacing.

817. R.F. Stettler, H.D. Bradshaw Jr., and L. Zsuffa, "The role of genetic improvement in short rotation forestry," pp. 285-308 in Ecophysiology of Short Rotation Forest Crops, eds. C.P. Mitchell, J.B. Ford-Robertson, T.M. Hinckley and L. Sennerby-Forsse, Elsevier Science Publishers Ltd., New York (1992).

Keywords: genetic improvement/ short rotation woody crops/ silviculture.

818. R.F. Stettler and R.J. Ceulemans, "Clonal material as a focus for genetic and physiological research in forest trees," pp. 68-86 in Clonal Forestry I, Genetics and Biotechnology, Chapter 6, eds. M.R. Ahuja and W.J. Libby, Springer-Verlag, New York (1993).

Keywords: clonal propagation/ genetics/ physiology/ forests/ phenology/ shoot development/ roots.

819. R.F. Stettler, R.C. Fenn, and A.L. Figliola, "Genetic and physiological studies of Populus trichocarpa and its hybrids," in Proceedings, 7th North American Forest Biology Workshop, University of Kentucky, Lexington, Kentucky (1982).

Keywords: Populus trichocarpa/ genetic influences/ physiology.

820. R.F. Stettler, R.C. Fenn, P.E. Heilman, and B.J. Stanton, "Populus trichocarpa x Populus deltoides hybrids for short rotation culture: variation patterns and 4-year field performance," Canadian Journal of Forestry Research 18:745-753 (1988).

Keywords: short rotation woody crops/ poplars/ Populus trichocarpa x Populus deltoides.

821. R.F. Stettler and P.E. Heilman, "Evaluation and genetic improvement of black cottonwood (Populus trichocarpa) for short-rotation coppice culture," pp. 574-575 in Proceedings, BioEnergy-80, The Bio-Energy Council, Washington, DC (1980).

Keywords: genetic improvement/ cottonwood, black/ poplars/ short rotation woody crops/ coppice.

822. R.F. Stettler and P.E. Heilman, "Short-rotation poplar culture in the Pacific

Northwest: components of a genetic program," pp. 217-232 in Ecology and Management of Forest Biomass Production Systems, ed. K. Perttu, Swedish University of Agricultural Science, Uppsala, Sweden (1984).

Keywords: biomass/ climate change/ Populus deltoides/ Populus trichocarpa.

823. R.F. Stettler, R. Koster, and V. Steenackers, "Interspecific crossability studies in poplars," Theoretical and Applied Genetics 58:273-282 (1980).

Keywords: poplars/ genomic manipulation.

824. G.L. Stimely and P.R. Blankenhorn, "Effects of species, specimen size, and heating rate on char yield and fuel properties," Wood and Fiber Science 17:477-489 (1985).

Keywords: energy content/ species selection/ fuel properties/ heating values.

825. B.J. Stokes, D.J. Frederick, and D.T. Curtin, "Field trials of a short-rotation biomass feller buncher and selected harvesting systems," Biomass 11:185-204 (1986).

Keywords: biomass/ yields/ production/ harvesting/ short rotation woody crops.

826. R.F. Strand and C.D. Whitesell, "Managing Eucalyptus plantations for maximum yield," pp. 89-98 in Proceedings of the Third Pacific Basin Biofuels Workshop, University of Hawaii, Hawaii Natural Energy Institute, Waianae, Oahu, Hawaii (1989).

Keywords: plantation management/ Eucalyptus/ short rotation intensive culture/ fertility/ biomass/ soil properties.

827. C.H. Strauss, P.R. Blankenhorn, T.W. Bowersox, and S.C. Grado, "Net financial and energy analyses for producing Populus hybrid under four management strategies," pp. 251-272 in Proceedings, Energy from Biomass and Wastes VIII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1984).

Keywords: economic analysis/ input-output analysis/ Populus/ management practices.

828. C.H. Strauss, P.R. Blankenhorn, T.W. Bowersox, and S.C. Grado, "Cost analysis of alternate biomass supply systems," pp. 193-199 in 21st Intersociety Energy Conversion Engineering Conference, American Chemical Society, San Diego, California (1986).

Keywords: economic analysis/ supplies/ biomass resources.

829. C.H. Strauss, P.R. Blankenhorn, T.W. Bowersox, and S.C. Grado, "Production costs for first rotation biomass plantations," Biomass 12:215-226 (1987).

Keywords: poplars/ economic analysis/ short rotation woody crops/ production costs.

830. C.H. Strauss, P.R. Blankenhorn, T.W. Bowersox, and S.C. Grado, "A cost analysis of alternate biomass supply systems," Forest Products Journal 38:47-51 (1988).

Keywords: economic analysis/ supplies/ biomass resources.

831. C.H. Strauss, P.R. Blankenhorn, T.W. Bowersox, and S.C. Grado, "Financial and energy costs of supplying biomass to conversion sites," Applied Biochemistry and Biotechnology 17:31-44 (1988).

Keywords: economic analysis/ supplies/ biomass resources/ input-output analysis.

832. C.H. Strauss, S.C. Grado, P.R. Blankenhorn, and T.W. Bowersox, "Second rotation cost evaluations of biomass from short rotation intensive culture Populus plantations," pp. 66-84 in Proceedings, Energy from Biomass and Wastes XII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1988).

Keywords: economic analysis/ Populus/ plantation management/ production costs.

833. C.H. Strauss, S.C. Grado, P.R. Blankenhorn, and T.W. Bowersox, "Developing financial and energy accounting models for woody biomass systems," Solar Energy 42:379-386 (1989).

Keywords: poplars/ economic analysis/ input-output analysis.

834. C.H. Strauss, S.C. Grado, P.R. Blankenhorn, and T.W. Bowersox, "Cost parameters affecting multiple rotation SRIC biomass systems," Applied Biochemistry and Biotechnology 24/25:721-733 (1990).

Keywords: economic analysis/ short rotation woody crops/ harvesting/ storage/ poplars.

835. C.H. Strauss, S.C. Grado, P.R. Blankenhorn, and T.W. Bowersox, "Economic evaluations of optimum rotation age for SRIC plantations," pp. 295-308 in Proceedings, Energy from Biomass and Wastes XIII, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1990).

Keywords: poplars, hybrid/ models/ economic analysis/ management practices.

836. C.H. Strauss and L.L. Wright, "Woody biomass production costs in the United States: an economic summary of commercial Populus plantation systems," pp. 359-369 in Proceedings, Energy from Biomass and Wastes XIV, ed. D.L. Klass, Institute of Gas Technology, Chicago, Illinois (1991).

Keywords: poplars/ economic analysis.

837. T.F. Strong, Energy Values of Nine Populus Clones, NC-257, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1980).

Keywords: Populus/ energy content.

838. T.F. Strong, Rotation Length and Repeated Harvesting Influence Populus Coppice Production, NC-350, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1989).

Keywords: biomass/ short rotation woody crops/ mortality/ sprouting/ stump height.

839. T.F. Strong and E.A. Hansen, Response of Three Populus Species to Drought, NC-302, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1991).

Keywords: growth/ irrigation/ clonal propagation/ drought resistance/ Populus.

840. T.F. Strong and E.A. Hansen, "Hybrid poplar spacing/productivity relations in short rotation intensive culture plantations," Biomass and Bioenergy 4:255-261 (1993).

Keywords: biomass/ poplars/ clonal propagation/ irrigation/ diseases/ yields.

841. T.F. Strong and J. Zavitkovski, "Harvesting season affects regeneration and growth of Populus 'Tristis #1' coppice," pp.

94-102 in Proceedings, 1982 North American Poplar Council Meeting, eds. J. Zavitkovski and E.A. Hansen, Kansas State University, Manhattan, Kansas (1982).

Keywords: poplars/ harvesting.

842. W.B. Stuart, "Application of computer simulation in evaluating harvesting systems," AIChE Symposium Series 76:31-35 (1980).

Keywords: harvesting simulation.

843. W.B. Stuart, "Can we harvest the resource?," pp. 117-121 in Proceedings, Ninth Annual Hardwood Symposium of the Hardwood Research Council, Hardwood Research Council, Asheville, North Carolina (1981).

Keywords: hardwoods/ harvesting.

844. W.B. Stuart, "Harvesting analysis technique: a computer simulation system for timber harvesting," Forest Products Journal 31:45-53 (1981).

Keywords: harvesting simulation.

845. W.B. Stuart and R.G. Oderwald, "Present and future capital investment in timber harvesting," Journal of Forestry 79:748-749 (1981).

Keywords: harvesting/ production costs/ economic analysis.

846. W.B. Stuart, R.G. Oderwald, and E.C. Ford III, "Prism cruising coefficients for Appalachian hardwoods biomass," Southern Journal of Applied Forestry 4:25-26 (1980).

Keywords: hardwoods/ biomass resources.

847. W.B. Stuart, J.V. Perumpral, T.A. Walbridge Jr., and S. Shartle, "Pine plantation data for future equipment design," Transactions of the ASAE 24:568-571, 578 (1981).

Keywords: plantation management/ pines.

848. W.B. Stuart, C.D. Porter, T.A. Walbridge Jr., and R.G. Oderwald, "The potential of modifying conventional harvesting systems for recovering logging residues as an energy source," pp. 377-389 in Proceedings, 1980 TAPPI Annual Meeting, TAPPI Press, Atlanta, Georgia (1980).

Keywords: logging residues/ harvesting.

849. W.B. Stuart, C.D. Porter, T.A. Walbridge Jr., and R.G. Oderwald, "Economics of modifying harvesting systems to recover energy wood," Forest Products Journal 31:37-42 (1981).

Keywords: harvesting/ economic analysis.

850. G.W. Stubblefield, "Geographic patterns of variation among sweetgum populations in the southern United States," pp. 234-243 in Proceedings, 17th Southern Forest Tree Improvement Conference, University of Georgia, Athens, Georgia (1983).

Keywords: sweetgum/ genetic diversity.

851. T.J. Tabone, P. Felker, R.L. Bingham, I. Reyes, and S. Loughrey, "Techniques in the shoot multiplication of the leguminous tree Prosopis alba clone B2V50," Forest Ecology and Management 16:191-200 (1986).

Keywords: shoot development/ Prosopis alba/ leguminous trees/ mesquite.

852. R.F. Tarrant, B.T. Bormann, D.S. DeBell, and W.A. Atkinson, "Managing red alder in the Douglas-fir region: a look at some possibilities," Journal of Forestry 81:787-792 (1983).

Keywords: alder, red/ management practices.

853. S.E. Taylor and M. Calvin, Hydrocarbons from Plants: Biosynthesis and Utilization, LBL-22294, Lawrence Berkeley Laboratory, Berkeley, California (1986).

Keywords: hydrocarbons/ biosynthetic processes/ isoprenoid biosynthesis/ alkane biosynthesis.

854. S.E. Taylor, C.L. Skrukrud, and M. Calvin, "The effect of salinity on the allocation of carbon to energy-rich compounds in Euphorbia lathyris," pp. 903-916 in Energy from Biomass and Wastes XI, Proceedings, 11th IGT Symposium, Institute of Gas Technology, Chicago, Illinois (1987).

Keywords: Euphorbia lathyris/ salinity.

855. G.W. Theseira, G.E. Host, J.G. Isebrands, and M.D. Coleman, "Root and soil modeling strategies for ECOPHYS, an individual tree model for juvenile poplar," in The Plant Root Environment, Mississippi State University, Mississippi State, Mississippi (1994).

Keywords: roots/ soils/ models/ poplars/ models, ECOPHYS.

856. D.L. Thomas, M.A. Breve, and P.L. Raymer, "Influence of timing and method of harvest on rapeseed yield," Journal of Production Agriculture 4:266-272 (1991).

Keywords: rapeseed/ Brassica napus/ harvesting/ yields.

857. D.L. Thomas, M.A. Breve, P.L. Raymer, N.A. Minton, and D.R. Sumner, Improving Rapeseed Production Practices in the Southeastern United States, ORNL/Sub/86-91324/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: rapeseed/ Brassica napus/ production/ establishment methods/ harvesting/ yields.

858. D.L. Thomas, F.J.K. DaSilva, and W.A. Cromer, "Image processing technique for plant canopy cover evaluation," Transactions of the ASAE 31:428-434 (1988).

Keywords: models/ leaf area.

859. D.N. Tolsted, Liming Soils Above pH 5.2 Does Not Increase Populus Growth, NC-344, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1988).

Keywords: growth/ soil properties/ Populus.

860. D.N. Tolsted and E.A. Hansen, Age of Hybrid Poplar Stools at First Cut Influences Third-Year Cutting Production, NC-357, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1992).

Keywords: stoolbed management/ cutting age/ poplars, hybrid/ harvesting/ short rotation intensive culture.

861. S.J. Torreano and D.J. Frederick, "Influence of site condition, fertilization and spacing on short rotation hardwood coppice and seedling yields," Biomass 16:183-198 (1988).

Keywords: biomass/ sycamores/ Platanus occidentalis/ site characteristics/ fertility/ coppice.

862. J.L. Trimble and C.R. Shriner, Inventory of United States Forest Growth Models, ORNL/Sub-80/13819/1, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1981).

Keywords: growth, forest/ models.

863. J.L. Trimble, R.I. Van Hook, and A.G. Folger, "Biomass for energy: the environmental issues," Biomass 6:3-13 (1985).

Keywords: environmental impacts.

864. T.J. Tschaplinski and T.J. Blake, "Correlation between early root production, carbohydrate metabolism, and subsequent biomass production in hybrid poplar," Canadian Journal of Botany 67:2168-2174 (1989).

Keywords: poplars, hybrid/ carbohydrate metabolism/ roots/ selection criteria.

865. T.J. Tschaplinski and T.J. Blake, "The role of sink demand in carbon partitioning and photosynthetic reinvigoration following shoot decapitation," Physiologia Plantarum 75:166-173 (1989).

Keywords: photosynthesis/ carbon allocation.

866. T.J. Tschaplinski and T.J. Blake, "Carbohydrate mobilization following defoliation and shoot decapitation in hybrid poplar," Tree Physiology 14:141-151 (1994).

Keywords: carbon status/ fructose/ galactose/ glucose/ shikimic acid/ starch/ sucrose/ defoliation.

867. T.J. Tschaplinski, D.W. Johnson, R.J. Norby, and D.E. Todd, "Biomass and soil nitrogen relationships of a one-year-old sycamore plantation," Soil Science Society of America Journal 55:841-847 (1991).

Keywords: soil properties/ sycamores/ nitrogen.

868. T.J. Tschaplinski and R.J. Norby, "Physiological indicators of nitrogen response in short rotation sycamore plantations. I. CO2 assimilation, photosynthetic pigments, and soluble carbohydrates," Physiologia Plantarum 82:117-126 (1991).

Keywords: carbon dioxide/ carbon allocation/ photosynthesis/ carbohydrates/ sycamores/ nitrogen fertilization.

869. T.J. Tschaplinski and R.J. Norby, "Physiological indicators of nitrogen response in a short rotation sycamore plantation. II. Nitrogen metabolism," Canadian Journal of Botany 71(6):841-847 (1993).

Keywords: sycamores/ nitrogen/ nitrogen transport.

870. T.J. Tschaplinski, D.B. Stewart, P.H. Hansen, and R.J. Norby, "Osmotic adjustment in five tree species under elevated CO2 and water stress," Plant Physiology 96:106 (1991).

Keywords: water stress/ carbon dioxide/ osmotic adjustment.

871. T.J. Tschaplinski and G.A. Tuskan, "Water-stress tolerance of black and eastern cottonwood clones and four hybrid progeny. II. Metabolites and inorganic ions that constitute osmotic adjustment," Canadian Journal of Forest Research 24:681-687 (1994).

Keywords: poplars, hybrid/ water stress/ cottonwood, black/ cottonwoods/ Populus trichocarpa/ Populus deltoides/ osmotic adjustment.

872. T.J. Tschaplinski, G.A. Tuskan, and C.A. Gunderson, "Water-stress tolerance of black and eastern cottonwood clones and four hybrid progeny. I. Growth, water relations, and gas exchange," Canadian Journal of Forest Research 24:364-371 (1994).

Keywords: poplars, hybrid/ water stress/ cottonwood, black/ cottonwoods/ Populus trichocarpa/ Populus deltoides/ osmotic adjustment/ gas exchange/ water relations.

873. T.J. Tschaplinski and L.L. Wright, "Woody plant research of the Biofuels Feedstock Development Program," Biologue 12:32-35 (1995).

Keywords: short rotation woody crops/ biofuels/ feedstocks.

874. A.F. Turhollow, Second-Year Growth and Productivity for Potential Herbaceous Energy Crops in the Southeast and Midwest/Lake States, ORNL/TM-10626, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1988).

Keywords: growth/ species selection/ herbaceous energy crops.

875. A.F. Turhollow, "Screening herbaceous lignocellulosic energy crops in temperate regions of the United States," Bioresource Technology 36:247-252 (1991).

Keywords: lignocellulosic crops/ yields/ biomass production/ species selection.

876. A.F. Turhollow, "The economics of energy crop production," Biomass and Bioenergy 6:229-241 (1994).

Keywords: economic analysis/ energy crops/ biomass/ herbaceous energy crops/ short rotation woody crops/ poplars, hybrid/ sorghum/ switchgrass/ energy cane.

877. A.F. Turhollow, J.H. Cushman, and J.W. Johnston, Herbaceous Energy Crops Program: Annual Progress Report for FY 1988, ORNL-6639, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1990).

Keywords: herbaceous energy crops/ cellulosic energy crops/ species selection/ oilseed production/ management practices.

878. A.F. Turhollow, J.W. Johnston, and J.H. Cushman, "Linking energy crop production to conversion: the case of herbaceous lignocellulosic crops to ethanol," RERIC International Energy Journal 10:41-49 (1988).

Keywords: chemical composition/ feedstocks/ herbaceous energy crops/ ethanol/ biomass conversion.

879. A.F. Turhollow and S.J. Kanhouwa, "Factors affecting the market penetration of biomass-derived liquid transportation fuels," Applied Biochemistry and Biotechnology 39/40:61-70 (1993).

Keywords: biomass/ ethanol/ regulations/ market penetration/ fuels/ corn/ energy crops.

880. A.F. Turhollow and R.D. Perlack, "Emissions of CO2 from energy crop production," Biomass and Bioenergy 1:129-135 (1991).

Keywords: carbon dioxide/ greenhouse gases/ poplars/ switchgrass/ sorghum/ cellulosic energy crops/ emissions.

881. G.A. Tuskan, "Realized and potential value of genetics and biotechnology for biofuel feedstock improvement," pp. 107-109 in Proceedings of the Annual Automotive Technology Development Contractors Coordination Meeting, Society of Automotive Engineers, Inc., Warrendale, Pennsylvania (1992).

Keywords: genetics/ biotechnology/ biofuels/ feedstocks/ energy crops/ liquid fuels/ tissue culture/ somaclonal variations/ molecular mapping.

882. G.A. Tuskan and T.R. Rensema, "Clonal differences in biomass characteristics, coppice ability, and biomass prediction equations among four Populus clones grown in eastern North Dakota," Canadian Journal of Forestry Research 22:348-354 (1992).

Keywords: biomass/ coppice/ poplars/ North Dakota.

883. G.A. Tuskan and L.L. Wright, "Can prairie forestry benefit from biotechnology," pp. 41-44 in Proceedings, 43rd Great Plains Agricultural Council Forestry Committee, Colorado State University, Colorado Springs, Colorado (1990).

Keywords: biotechnology/ forestry.

884. University of Idaho, The Potential of Vegetable Oil as an Alternate Source of Liquid Fuel for Agriculture in the Pacific Northwest - V, Miscellaneous Series No. 100, University of Idaho, Colleges of Agriculture and Engineering, Moscow, Idaho (1987).

Keywords: vegetable oils/ liquid fuels/ Pacific Northwest.

885. University of Kansas, The University of Kansas Energy Forest, Document No. 1061-0050, Kansas State University, Department of Forestry, Manhattan, Kansas (1980).

Keywords: fuelwood/ solid-waste steam generating plant.

886. U.S. Department of Agriculture Forest Service, Energy and Wood from Intensively Cultured Plantations: Research and Development Program, NC-57, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1980).

Keywords: biomass/ yields/ short rotation woody crops/ physiology/ planting.

887. U.S. Department of Agriculture Forest Service, Methods of Rapid, Early Selection of Poplar Clones for Maximum Yield Potential: A Manual of Procedures, NC-81, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1983).

Keywords: poplars/ selection criteria.

888. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, Energy and Wood from Intensively Cultured Plantations: Research and Development Program, NC-57, U.S. Forest Service, North Central Forest Experiment Station, Rhinelander, Wisconsin (1980).

Keywords: species selection/ establishment methods/ fiber yields/ spacing/ harvesting/ management practices/ diseases/ economic analysis.

889. G. Van Epps, J.R. Barker, and C.M. McKell, "Energy biomass from high producing rangeland shrubs of the intermountain United States," Journal of Range Management 35:22-25 (1982).

Keywords: shrubs/ rangeland.

890. R.I. Van Hook, D.W. Johnson, D.C. West, and L.K. Mann, "Environmental effects of harvesting forests for energy," Forest Ecology and Management 4:79-94 (1982).

Keywords: environmental impacts/ forests.

891. H. Van Miegroet, T.J. Tschaplinski, R.J. Norby, and S.E. Lindahl, "Optimum nitrogen fertilization experiments in short-rotation sycamore plantations," Agronomy Abstracts p. 356 (1991).

Keywords: nitrogen fertilization/ nutrition, tree/ sycamores.

892. E. Van Volkenburgh, C.R. Ridge, and T.M. Hinckley, "Limits to poplar leaf growth," Plant Physiology (Suppl.) 77:136 (1985).

Keywords: poplars/ leaf development.

893. D.H. Vaughan, J.S. Cundiff, and D.J. Parrish, "Erosional and economic analyses of biomass production on marginal Piedmont sites," pp. 41-44 in Proceedings, Southern Biomass Conference, Auburn University,

Auburn, Alabama (1988).

Keywords: energy crops/ soils/ sorghum, sweet/ harvesting/ land availability/ economic analysis/ erosion.

894. R.L. Verch, Nongame Breeding Bird Activity in an Intensively Cultured Populus Plantation, NC-336, U.S. Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota (1986).

Keywords: agroforestry/ succession/ cottonwoods/ poplars/ birds/ habitat.

895. W.P. Walawender, C.S. Chia, and W.A. Geyer, "Influence of tree species and wood deterioration on downdraft gasifier performance," Biomass 17:51-61 (1988).

Keywords: wood energy/ air gasification/ downdraft gasifier/ gasifier performance.

896. T.A. Walbridge Jr. and W.B. Stuart, "An alternative to whole tree chipping for the recovery of logging residues," pp. 132-138 in Proceedings, International Conference on Harvesting and Utilization for Energy, Swedish University of Agricultural Sciences, Uppsala, Sweden (1980).

Keywords: logging residues.

897. T.A. Walbridge Jr. and W.B. Stuart, "Systems and procedures for integrated recovery of forest biomass," TAPPI 66:89-97 (1983).

Keywords: management practices/ forest resources.

898. T.A. Walsh, T.E. Burk, and J.G. Isebrands, "Selection of hybrid poplar clones under varying moisture regimes: preliminary results," Proceedings, Aspen Symposium '89, NC-140, U.S. Forest Service, North Central Forest Experiment Station, Duluth, Minnesota (1990).

Keywords: poplars, hybrid/ clonal selection/ physiology/ morphology/ phenology.

899. F.C. Wang, J.R. Richardson, K.C. Ewel, and E.T. Sullivan, "Preliminary energy analysis of utilizing wood biomass for fuel," pp. 673-680 in Proceedings, 1981 International Symposium on Energy and Ecological Modeling,

eds. W.J. Mitsch, R.W. Bosserman and J.M. Klopatek, Elsevier Science Publishers Ltd., New York (1981).

Keywords: short rotation woody crops/ fuels/ economic analysis/ energy content.

900. S. Wang, "Screening biomass species for methane production in Florida," Forest Products Journal 33:66-68 (1983).

Keywords: species selection/ Florida/ fuel production.

901. S. Wang and S.T. Chiang, "Chemical properties of Melaleuca bark from south Florida," Economic Botany 37:16-21 (1983).

Keywords: chemical composition/ Melaleuca.

902. S. Wang and J.B. Huffman, "Effect of extractives on heat value of Melaleuca," Forest Products Research Society Abstracts 33:6 (1979).

Keywords: Melaleuca/ extractives/ heating values/ combustion heat.

903. S. Wang and J.B. Huffman, "Botanochemicals: supplements to petrochemicals," Economic Botany 35:369-382 (1981).

Keywords: botanochemicals/ biomass/ fuels.

904. S. Wang and J.B. Huffman, "Effect of extractives on heat content of Melaleuca and Eucalyptus," Wood Science 15:33-38 (1982).

Keywords: combustion heat/ Melaleuca/ Eucalyptus/ extractives/ heating values.

905. S. Wang, J.B. Huffman, and R.C. Littell, "Characterization of Melaleuca biomass as a fuel for direct combustion," Wood Science 13:216-219 (1981).

Keywords: combustion heat/ wood density/ moisture content/ Melaleuca.

906. S. Wang, J.B. Huffman, and D.L. Rockwood, "Qualitative evaluation of fuelwood in Florida: a summary report," Economic Botany 36:381-388 (1982).

Keywords: pine, slash/ pine, sand/ Melaleuca/ Eucalyptus/ Casuarina/ fuel properties.

907. S. Wang and R.C. Littell, "Phenotypic variation in calorific value of Melaleuca materials from south Florida," Economic Botany 37:292-298 (1983).

Keywords: Melaleuca/ calorimetry.

908. S. Wang, R.C. Littell, and D.L. Rockwood, "Variation in density and moisture content of wood and bark among 20 Eucalyptus grandis progenies," Wood Science Technology 18:97-100 (1984).

Keywords: Eucalyptus grandis/ moisture content/ wood density.

909. K.T. Ward, M.E. Ostry, and G.R. Furnier, "Genetic and pathogenic variability of Septoria musiva," p. 62 in Proceedings of the Twelfth North American Forest Biology Workshop, eds. S.J. Colombo, G. Hogan, and V. Wearn, Ontario Ministry of Natural Resources, Ontario, Canada (1992).

Keywords: genetics/ pathogenic variability/ Septoria musiva/ poplars, hybrid/ poplars/ stem cankers/ defoliation/ clonal propagation.

910. M.R. Warmund, W.A. Geyer, and C.E. Long, "Preemergent herbicides for direct seeding Kentucky coffeetree, honeylocust, and black locust," Tree Planters' Notes 33:24-27 (1983).

Keywords: herbicides/ establishment methods/ Kentucky coffeetree/ honeylocusts/ locust, black/ Gleditsia triacanthos/ Robinia pseudoacacia/ Gymnocladus diocia.

911. M.R. Warmund, C.E. Long, and W.A. Geyer, "Preemergent herbicides for seeded nursery crops," Journal of Horticultural Science 15:825-826 (1980).

Keywords: herbicides/ establishment methods/ nursery establishment.

912. E.I. Warrag, V. Ortega, M.S. Lesney, and D.L. Rockwood, "Recent progress in tissue culture methods for Eucalyptus species and implications for genetic improvement," pp. 71-80 in Proceedings of the 1987 Southern Forest Biomass Workshop: 9th Annual Meeting of the Southern Forest Biomass Working Group, eds. R.A. Daniels, W.F. Watson, and I.W. Savelle, Mississippi State University, Biloxi, Mississippi (1988).

Keywords: tissue culture/ Eucalyptus/ genetic

improvement/ callus/ embryogenesis/ Eucalyptus grandis/ Eucalyptus camaldulensis.

913. K.T. Wart and M.E. Ostry, "Mid-rotation disease impact on hybrid poplar plantations in the north-central United States," American Journal of Botany 80:83 (1993).

Keywords: short rotation woody crops/ renewable energy/ poplars/ hybrids/ Melampsora/ diseases.

914. A. Weaver, R.S. Saini, S. Bhattacharya, A. Mauldin, D.P. Nicholson, S. Nima, M. Baiyee, and M. Randolph, "Effects of various nitrogen fertilization on growth responses of sycamore (Platanus occidentalis L.) plantation," p. 19 in International Symposium on Natural Resources Management for a Sustainable Agriculture, Indian Society of Agronomy, New Delhi (1990).

Keywords: nitrogen fertilization/ growth/ growth/ sycamores.

915. A. Weaver, R.S. Saini, S. Bhattacharya, A. Mauldin, D.P. Nicholson, S. Nima, M. Baiyee, and M. Randolph, "Physiological responses of trees to urea nitrogen fertilization in a short-rotation sycamore (Platanus occidentalis L.) plantation," p. 19 in International Symposium on Natural Resources Management for a Sustainable Agriculture, Indian Society of Agronomy, New Delhi (1990).

Keywords: nitrogen fertilization/ growth responses/ sycamores.

916. J.C. Weber and R.F. Stettler, "Isoenzyme variation among the populations of Populus trichocarpa (Torr. & Gray) in the Pacific Northwest," Silvae Genetica 30:82-87 (1981).

Keywords: Populus trichocarpa.

917. J.C. Weber, R.F. Stettler, and P.E. Heilman, "Genetic variation and productivity of Populus trichocarpa and its hybrids. I. Morphology and phenology of 50 native clones," Canadian Journal of Forestry Research 15:376-383 (1985).

Keywords: poplars/ hybrids/ morphology/ phenology/ clonal propagation/ genetic variations.

918. O.J. Webley, T.F. Geary, D.L. Rockwood, C.W. Comer, and G.F. Meskimen, "Seasonal coppicing variation in three eucalypts in southern Florida," Australian Forest Research 16:281-90 (1986).

Keywords: Eucalyptus/ coppice/ harvesting.

919. D.C. West and L.K. Mann, Whole-tree Harvesting: Third Year Progress Report for 1981 - Nutrient Depletion Estimates and Post-harvest Impacts on Nutrient Dynamics, ORNL/TM-8335, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1982).

Keywords: harvesting/ nutrient removal/ whole-tree utilization.

920. D.C. West and L.K. Mann, Whole-tree Harvesting: Fourth Year Progress Report for 1982 - Nutrient Depletion Estimates, Postharvest Impacts on Nutrient Dynamics, and Regeneration, ORNL/TM-8805, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1983).

Keywords: whole-tree utilization/ productivity/ nutrient removal/ environmental impacts/ regeneration.

921. D.C. West, L.K. Mann, and N.T. Edwards, Whole-tree Harvesting: Second Year Progress Report - Impacts on Forest Nutrient and Carbon Dynamics, ORNL/TM-7874, Oak Ridge National Laboratory, Oak Ridge, Tennessee (1981).

Keywords: harvesting/ nutrients/ carbon transport/ whole-tree utilization.

922. H.Y. Wetzstein, N. Lee, and H.E. Sommer, "Differentiation of tissue cultured Liquidambar styraciflua in agar versus liquid medium," Journal of Horticultural Science 19:556 (1984).

Keywords: Liquidambar styraciflua/ tissue culture.

923. H.Y. Wetzstein and H.E. Sommer, "Root anatomy in tissue cultured Liquidambar styraciflua L.," Journal of Horticultural Science 18:172 (1983).

Keywords: Liquidambar styraciflua/ roots/ morphology.

924. H.Y. Wetzstein and H.E. Sommer, "Scanning electron microscopy of in vitro cultured Liquidambar styraciflua plantlets during acclimatization," Journal of American Society for Horticultural Science 108:475-480 (1983).

Keywords: Liquidambar styraciflua/ scanning electron microscopy/ morphology.

925. H.Y. Wetzstein, H.E. Sommer, C.L. Brown, and H.M. Vines, "Anatomical changes in tissue-cultured sweetgum leaves during the hardening-off period," Journal of Horticultural Science 16:290 (1981).

Keywords: sweetgum/ morphology/ leaf development.

926. E.H. White, L.P. Abrahamson, R.F. Kopp, and C.A. Nowak, "Bioenergy plantations in New York - 10-year results," The Forestry Chronicle 68:221 (1992).

Keywords: plantations/ New York/ biomass/ agro-forestry/ carbon sequestration/ poplars, hybrid/ willows/ genetics/ irrigation/ fertilization.

927. T.A. White and G.L. Rolfe, "Stand establishment and maintenance of woody biomass species: 1979 herbicide trials," Illinois Agricultural Experiment Station DSAC 8:171-175 (1980).

Keywords: plantation establishment/ plantation management/ herbicides.

928. T.A. White and G.L. Rolfe, "Tolerance of direct-seeded black locust (Robinia pseudoacacia L.) to herbicides," Illinois Agricultural Experiment Station Forest Research Reports 82:5 (1982).