Refinar búsqueda
Resultados 131-140 de 230
The nickel uptake from different soils and its prediction by chemical extractions
1991
Sauerbeck, D.R. (Institute of Plant Nutrition and Soil Science, Braunschweig (Germany, F.R.)) | Hein, A.
Impact of fluidized bed combustion waste on metal content of crops and soil
1991
Mays, D.A. (National Fertilizer and Environmental Research Center, Muscle Shoals, AL (USA). Tennessee Valley Authority) | Giordano, P.M. | Behel, A.D. Jr.
Seasonal pattern of nitrate losses from cultivated soil with subsurface drainage
1991
Rossi, N. (Bologna Univ. (Italy). Inst. of Agricultural Chemistry) | Ciavatta, C. | Vittori Antisari, L.
Hydrological pathways of metolachlor export from an agricultural watershed
1991
Buttle, J.M. (Trent Univ., Peterborough, Ont. (Canada). Dept. of Geography) | Harris, B.J.
Effects of the herbicide glyphosate on nitrogen cycling in an acid forest soil
1991
Stratton, G.W. (Nova Scotia Agricultural Coll., Truro, NS (Canada). Dept. of Biology) | Stewart, K.E.
A new spectrophotometric method for the determination of zinc in milk and standard samples
1991
Cherian, L. (Ravishankar Univ., Raipur, MP (India). Dept. of Chemistry) | Gupta, V.K.
Cadmium and lead contamination of soils near plastic stabilizing materials producing plants in northern Taiwan
1991
Chen, Z.S. (National Taiwan Univ., Taipei (Taiwan). Dept. of Agricultural Chemistry)
Soil heavy metal concentrations and erosion damage in upland grasslands in the Pennines, England
1991
Ostrander, R. (Central Connecticut State Univ., New Britain, CT (USA). Dept. of Biology) | Clark, S.C.
Plant availability of lead, cadmium, and boron in amended coal ash
1991
Schwab, A.P. (Kansas State Univ., Manhattan, KS (USA). Dept. of Agronomy) | Tomecek, M.B. | Ohlenbusch, P.D.
Laboratory experiments to investigate the influence of microbial activity on the migration of cesium in a forest soil
1991
Tegen, I. (Heidelberg Univ. (Germany, F.R.). Inst. fuer Umweltphysik) | Doerr, H. | Muennich, K.O.