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Bibliothekskatalog
- Schlagwort: Amerika
1440 Treffer
- 1Beech bark disease
David Lonsdale; David Wainhouse1987 - 2(Research and Development on Poplar. XVIII - Five-Year Results of Thinning and Fertilization Treatments on Natural Poplar Stands of Different Age Classes)
Rene Doucet; Jean Marc Veilleux1982 - 3Variation in seed yield of white oak
Robert E. Farmer1981 - 4Quantity, decomposition and nutrient dynamics of aspen litterfall in Utah
Dale L. Bartos; Norbert V. de Byle1981 - 5Factors related to incidence of Hypoxylon cankers in aspen and survival of cankered trees
Gerald W. Anderson; Margaret P. Martin1981 - 6The relationships of leaf area and foliage biomass to sapwood conducting area in four subalpine forest tree species
Merrill R. Kaufmann1981 - 7An aspect transformation with regard to elevation for site productivity models
Joseph P. Roise; David R. Betters1981 - 8Growth, ectomycorrhizal development and root soluble carbohydrates of black oak seedlings fertilized by two methods
R.K. Dixon; Harold E. Garrett; J.A. Bixby1981 - 9Vertical root distribution of American basswood in sanitary landfill soil
Edward F. Gilman; Ida A. Leone; Franklin Flower1981 - 10Hybridization among White, Red, Blue, and White x Blue Spruces
Bruce C. Bongarten; James W. Hanover1982 - 11Phenotype Selection and Half-Sib Family Performance in Black Cherry
John A. Pitcher1982 - 12An Evaluation of Techniques for Sampling Forest Tree Nutrient Content : Part I. Sampling the Crown for Total Nutrient Content
N.B. Comerford; A.L. Leaf1982 - 13An Evaluation of Techniques for Sampling Forest Tree Nutrient Content : Part II. Sampling for Stem Nutrient Content
N.B. Comerford; A.L. Leaf1982 - 14Eastern hemlock allelopathy
H.A. Ward; L.H. McCormick1982 - 15Colonization by Armillaria mellea and Agrilus bilineatus of Oaks Injected with Ethanol
Philip M. Wargo; Michael E. Montgomery1983