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结果 1-10 的 22
Global climate change : Modelling the potential responses of agro-ecosystems with special reference to crop protection
1994
Goudriaan, J. | Zadoks, J.C.
Effects of environmental stress on forest crown condition in Europe. Part III: estimation of critical deposition and concentration levels and their exceedances
2000
Vries, W. de | Reinds, G.J. | Klap, J.M. | Leeuwen, E.P. van | Erisman, J.W.
Nitrogen cycling in two Norway spruce (Picea abies) ecosystems and effects of a (NH4)2SO4 addition
1992
Feger, K.H. (Albert-Ludwig-University, Freiburg (Germany). Inst. of Soil Science and Forest Nutrition)
Soil acidification and element fluxes of a Fagus sylvatica forest as influenced by simulated nitrogen deposition
1992
Bergkvist, B. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Folkeson, L.
Soil response to S and N treatments in a northern New England low elevation coniferous forest
1990
Fernandez, I.J. (Maine Univ., Orono, ME (USA). Dept. of Plant, Soil and Environmental Sciences) | Rustad, L.E.
The effect of drainage on nutrient release from fen peat and its implications for water quality - a laboratory simulation
1990
Heathwaite, A.L. (Sheffield Univ. (UK). Dept. of Geography)
Environmental pollution and impacts on soils and forests nutrition in North America
1990
Johnson, D.W. (Biological Sciences Center, Reno, NV (USA). Desert Research Inst.) | Ball, J.T.
The effect of nitrogen and potassium availability on scleroderris canker of Scots pine seedlings
1990
Ylimartimo, A. (Helsinki Univ. (Finland). Dept. of Silviculture)
A comparison of summer and winter measurements of atmospheric nitrogen and sulphur compounds
1986
Anlauf, K.G. (Atmospheric Environment Service, Downsview, Ont. (Canada)) | Bottenheim, J.W. | Brice, K.A. | Wiebe, H.A.
Modelling the impact of lowered atmospheric nitrogen deposition on a nitrogen saturated forest ecosystem
1998
Koopmans, C.J. (Amsterdam Univ. (Netherlands). Landscape and Environmental Research Group) | Dam, D. van
