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Результаты 211-220 из 329
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)
1990
Dueck, T.A. (Instituut voor Plantenziektenkundig Onderzoek, Wageningen (Netherlands)) | Dorel, F.G. | Horst, R. ter | Eerden, L.J. van der
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.
Fall exposure of beech saplings (Fagus sylvatica L.) to ozone and simulated acidic mist: effects on gas exchange and leachability
1990
Leonardi, S. (GSF-Muenchen, Neuherberg (Germany, F.R.). Inst. fuer Biochemische Pflanzenpathologie) | Langebartels, C.
Survival rate of tree and shrub seedlings under extreme environmental nitrogen pollution
1990
Kowalkowski, A. (Pedagogical Univ., Kielce (Poland). Inst. of Geography)
Effect of the chemical composition of industrial dusts on forest floor organic matter accumulation
1990
Grodzinski, W. (Jagiellonian Univ., Krakow (Poland). Inst. of Environmental Biology, Dept. of Ecosystem Studies) | Greszta, J. | Laskowski, R. | Maryanski, M. | Rozen, A.
A case study of forest decline in Western Canada and the adjacent United States
1990
Auclair, A.N.D. (Forestry Canada (Canada). Quebec Region and Atmospheric Environment Service) | Martin, H.C. | Walker, S.L.
Irrigation frequency effects on leaching of cations from gypsum amended coastal plain surface soils
1990
Alva, A.K. (Florida Univ., Lake Alfred, FL (USA). Inst. of Food and Agricultural Sciences, Citrus Research and Education Center) | Gascho, G.J. | Cromer, W.A.
PCB concentrations in stream sunfish (Lepomis auritus and L. macrochirus) in relation to proximity to chronic point sources
1990
Southworth, G.R. (Environmental Sciences Div., Oak Ridge, TN (USA). Oak Ridge National Lab.)
Retention of ingested (110m)Ag by a freshwater fish, Salmo trutta L.
1990
Garnier, J. (Institut de Protection et de Surete Nucleaire DERS/SERE, Saint-Paul-Lez-Durance (France). Lab. de Radioecologie des Eaux Continentales) | Baudin, J.P.
Removal of Cu and Cd from water by Bacopa monnieri L.
1990
Sinha, S. (National Botanical Research Inst., Lucknow (India). Aquatic Botany Lab.) | Chandra, P.
