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Результаты 171-180 из 266
Nutrient cycling in adirondack conifer plantations: is acidic deposition an influencing factor?
1989
Nowak, C.A. (State Univ. of New York, Syracuse, NY (USA). Coll. of Environmental Science and Forestry) | Shepard, J.P. | Downard, R.B. | White, E.H. | Raynal, D.J. | Mitchell, M.J.
Effects of acid irrigation and liming in a Norway spruce stand (Picea abies [L.] Karst.)
1989
Kreutzer, K. (Munich Univ. (Germany). Dept. of Soil Science) | Reiter, H. | Schierl, R. | Goettlein, A.
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.
Copper and zinc balance in soils, rice plants and aquatic systems in an area along the Fuchu precipice line, Tokyo, Japan
1989
Okazaki, M. (Tokyo Univ. of Agriculture and Technology, Tokyo (Japan). Faculty of Agriculture) | Saito, S.
The acidifying potential of atmospheric deposition in Canada
1989
Brydges, T.G. (Atmospheric Environment Service Environment Canada, Downsview, Ont. (Canada)) | Summers, P.W.
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.
Monitoring of plant and soil pollution based on ionic impulsion
1989
Romero, F. (Escuela Superior de Ingenieros Industriales, Bilbao (Spain). Dept. de Ingenieria Quimica y Medioambiental) | Elejalde, C. | Gomez, G.
Effect of a sewage plant in the distribution of organochlorine residues in the Diyala River, Iraq
1989
Al-Omar, M.A. (Biological Research Centre, Baghdad (Iraq)) | Nehla | Al-Ogaily, H. | Shebl, D.A.
The effects on corn and on a Rhodic Paleudult soil of 17 annual Cu and Zn sulfate additions
1989
Gettier, S.W. (Virginia Polytechnic Inst. and State Univ., Blacksburg (USA). Dept. of Agronomy) | Martens, D.C. | Donohue, S.J.
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.