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结果 171-180 的 266
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.
Effect of simulated acid rain on the growth of soybean
1989
Kohno, Y. (Central Research Inst. of Electric Power Industry, Abiko City, Chiba (Japan). Abiko Research Lab.) | Kobayashi, T.
Effects of simulated acid rain on uptake, accumulation and retention of fluoride in forage crops
1989
MacLean, D.C. (Cornell Univ., Ithaca, NY (USA). Boyce Thompson Inst.) | Schneider, R.E. | Hansen, K.S. | Troiano, J.J.
Effect of simulated acid rain on the yield of soybean
1989
Kohno, Y. (Central Research Inst. of Electric Power Industry, Abiko City, Chiba (Japan). Dept. of Biology) | Kobayashi, T.
Tracer experiments on transfer of radio-iodine in the soil-rice plant system
1989
Muramatsu, Y. (National Inst. of Radiological Sciences, Nakaminato-shi (Japan). Div. of Radioecology) | Uchida, S. | Sumiya, M. | Ohmomo, Y. | Obata, H.
Liming and fertilization as mitigation tools in declining forest ecosystems
1989
Huettl, R.F. (Albert-Ludwig-Universitaet, Freiburg (Germany, F.R.). Inst. of Soil Science and Forest Nutrition)
Influence of O3, rainfall acidity and soil Mg status on growth and ectomycorrhizal colonization of loblolly pine roots
1989
Simmons, G.L. (Tennessee Vallay Authority, Oak Ridge, TN (USA). Cooperative Forest Studies Program) | Kelly, J.M.
