[ 发表于: Pollution ]
高级检索
AGROVOC关键词
细化搜索
结果 1-5 的 5
Silver fir decline in the Vosges mountains (France): role of climate and silviculture.
1989
Becker M. | Landmann G. | Levy G.
Wolters Kluwer - United States of America
[Promotion and conservation of natural regeneration of European beech in view of the deposition of air pollutants]
1989
Bressem, U. (Hessische Forstliche Versuchsanstalt, Hann.Muenden (Germany, F.R.). Inst. fuer Forstproduktion und Waldschutz)
ZB MED Nutrition. Environment. Agriculture - Germany
Nutrient cycling in adirondack conifer plantations: is acidic deposition an influencing factor?
1989
Nowak, C.A. (State Univ. of New York, Syracuse, NY (USA). Coll. of Environmental Science and Forestry) | Shepard, J.P. | Downard, R.B. | White, E.H. | Raynal, D.J. | Mitchell, M.J.
Wageningen University & Research - Netherlands
[Plant succession on clear cut areas and silvicultural consequences]
1990
Irrgang, S. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft)
ZB MED Nutrition. Environment. Agriculture - Germany
[Analysis of troughfall in various silvicultural systems]
1999
Kulhavy, J. | Betusova, M. (Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Lesnicka a Drevarska Fakulta)
Library of Antonin Svehla - Czechia