Refinar búsqueda
Resultados 191-200 de 266
Total sulfur content in the humus layer of urban polluted forest soils
1989
Ohtonen, R. (Oulu Univ. (Finland). Dept. of Botany) | Markkola, A.M. | Torvela, H.
Cadmium soil sorption at low concentrations, 8: Correlation with soil parameters
1989
Christensen, T.H. (Technical Univ. of Denmark, Lyngby (Denmark). Dept. of Environmental Engineering)
A two-year experience on 15N-urea fertilization of a corn field amended with fly ash
1989
Cervelli, S. (Institute of Soil Chemistry, Pisa (Italy)) | Di Giovanni, F. | Perna, A. | Petruzzelli, G.
Heavy-metal ecology of terrestrial plants, microorganisms and invertebrates
1989
Tyler, G. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Balsberg Paahlsson, A.M. | Bengtsson, G. | Baaaath, E. | Tranvik, L.
Toxicity of heavy metals (Zn, Cu, Cd, Pb) to vascular plants
1989
Balsberg Paahlsson, A.M. (Lund Univ. (Sweden). Dept. of Plant Ecology)
Background concentration ranges of heavy metals in Swedish groundwaters from crystalline rocks: a review
1989
Ledin, A. (Linkoeping Univ. (Sweden). Dept. of Water and Environmental Studies) | Pettersson, C. | Allard, B. | Aastrup, M.
Al uptake by black spruce seedlings: persistence of organic acids in Al treated rooting cultures
1989
Arp, P.A. (New Brunswick Univ., Fredericton (Canada). Dept. of Forest Resources) | D'Avignon, H.
Effects of acidic precipitation, O3 and soil Mg status on throughfall, soil, and seedling loblolly pine nutrient concentrations
1989
Simmons, G.L. (Oak Ridge National Lab., Oak Ridge, TN (USA)) | Kelly, J.M.
The acidifying potential of atmospheric deposition in Canada
1989
Brydges, T.G. (Atmospheric Environment Service Environment Canada, Downsview, Ont. (Canada)) | Summers, P.W.
Geochemical studies in a remote Scottish upland catchment, 2: Streamwater chemistry during snow-melt
1989
Abrahams, P.W. (East Anglia Univ., Norwich (UK). School of Environmental Sciences) | Tranter, M. | Davies, T.D. | Blackwood, I.L.