خيارات البحث
النتائج 61 - 70 من 198
Simulated acid rain and the importance of organic ligands on the availability of aluminium in soil
1987
Tam, S.C. (Colorado Univ., Boulder, CO (USA). Cooperative Inst. for Research in Environmental Sciences)
Air-pollution-induced foliar injury to natural populations of jack and white pine in a chronically polluted environment
1987
Armentano, T.V. (Butler Univ., Indianapolis, IN (USA). Holcomb Research Inst.) | Menges, E.S.
Effects of fertilizer factory effluent on soil and crop productivity
1987
Singh, K.K. (DAV College, Kanpur (India). Lab. of Environmental Studies) | Mishra, L.C.
Deposition of air pollutants in a wind-exposed forest edge
1987
Hasselrot, B. (Swedish Environmental Research Inst., Goeteborg (Sweden)) | Grennfelt, P.
Response of two western Canadian conifers to simulated acidic precipitation
1987
Abouguendia, Z.M. (Saskatchewan Research Council, Saskatoon (Canada)) | Baschak, L.A.
Fertilization as a tool to mitigate forest decline associated with nutrient deficiencies
1987
Huettl, R.F. (Freiburg Univ. (Germany, F.R.). Inst. of Soil Science and Forest Nutrition) | Wisniewski, J.
Residues of 2,3,7,8-tetrachlorodibenzo-p-dioxin in the Spring River, Missouri
1987
Crunkilton, R.L. (Missouri Dept. of Conservation, Columbia (USA). Fisheries Research Section) | Smith, L.M. | Petty, J.D. | Kleopfer, R.D.
Adsorption of mercury compounds by tropical soils, 2: effect of soil: solution ratio, ionic strength, pH and organic matter
1987
Semu, E. (Agricultural Univ. of Norway, Aas (Norway). Dept. of Soil Fertility and Management) | Singh, B.R. | Selmer-Olsen, A.R.
Chemical effects of pH 3 sulphuric acid on a soil profile
1987
Brown, K.A. (Central Electricity Research Labs., Leatherhead (UK))
Organochlorine insecticide residues in the rain water in Delhi, India
1987
Agarwal, H.C. (Delhi Univ. (India). Dept. of Zoology) | Kaushik, C.P. | Pillai, M.K.K.
