خيارات البحث
النتائج 161 - 170 من 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.
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.
Responses of Atlantic salmon (Salmo salar) alevins to dissolved organic carbon and dissolved aluminium at low pH
1989
Peterson, R.H. (Department of Fisheries and Oceans, St. Andrews, N.B. (Canada). Biological Station) | Bourbonniere, R.A. | Lacroix, G.L. | Martin-Robichaud, D.J. | Takats, P. | Brun, G.
Distribution of aluminum in black spruce saplings growing on two New Brunswick forest soils with contrasting acid sulfate sorption
1989
Arp, P.A. (New Brunswick Univ., Fredericton, N.B. (Canada). Faculty of Forestry) | Akerley, C. | Mellerowicz, K.
Acid fog and ozone: their possible role in birch deterioration around the Bay of Fundy, Canada
1989
Cox, R.M. (Forestry Canada, Fredericton, N.B. (Canada). Maritimes Region) | Spavold-Tims, J. | Hughes, R.N.
Changes in foliar elements in red spruce seedlings after exposure to sulfuric and nitric acid mist
1989
Jacobson, J.S. (Boyce Thompson Inst. for Plant Research, Ithaca, NY (USA)) | Lassoie, J.P. | Osmeloski, J. | Yamada, K.
