خيارات البحث
النتائج 211 - 220 من 329
Effect of the chemical composition of industrial dusts on forest floor organic matter accumulation
1990
Grodzinski, W. (Jagiellonian Univ., Krakow (Poland). Inst. of Environmental Biology, Dept. of Ecosystem Studies) | Greszta, J. | Laskowski, R. | Maryanski, M. | Rozen, A.
Irrigation frequency effects on leaching of cations from gypsum amended coastal plain surface soils
1990
Alva, A.K. (Florida Univ., Lake Alfred, FL (USA). Inst. of Food and Agricultural Sciences, Citrus Research and Education Center) | Gascho, G.J. | Cromer, W.A.
Effect of air preheating on automotive emissions
1990
Azpiazu, M.N. (Departamento de Ingenieria Quimica y del Medio Ambiente, Bilbao (Spain)) | Bustamante, C. | Morquillas, J.M.
Effects of the herbicide glyphosate on nitrification in four soils from Atlantic Canada
1990
Stratton, G.W. (Nova Scotia Agricultural Coll., Truro, Nova Scotia (Canada). Dept. of Biology, Environmental Microbiology Lab.)
Removal of Cu and Cd from water by Bacopa monnieri L.
1990
Sinha, S. (National Botanical Research Inst., Lucknow (India). Aquatic Botany Lab.) | Chandra, P.
Chloride in the pore water and water column of Onodaga Lake, N.Y., U.S.A.
1990
Effler, S.W. (Upstate Freshwater Inst., Syracuse, NY (USA)) | Doerr, S.M. | Brooks, C.M. | Rowell, H.C.
Distribution of airborne heavy metals as measured in the lichens Ramalina stenospora and Parmotrema praesorediosum in Baton Rouge, Louisiana
1990
Walther, D.A. (McNeese State Univ., Lake Charles, LA (USA). Dept. of Chemistry) | Ramelow, G.J. | Beck, J.N. | Young, J.C. | Callahan, J.D. | Marcon, M.F.
Soil response to S and N treatments in a northern New England low elevation coniferous forest
1990
Fernandez, I.J. (Maine Univ., Orono, ME (USA). Dept. of Plant, Soil and Environmental Sciences) | Rustad, L.E.
Solute concentrations and fluxes of major nutrients in potted red spruce saplings exposed to simulated acid rain treatments
1990
Sherman, R.E. (Cornell Univ., Ithaca, NY (USA). Dept. of Natural Resources) | Fahey, T.J.
An acidic snowmelt event in a New Jersey stream: evidence of effects on an indigenous trout population
1990
Stansley, W. (New Jersey Dept. of Environmental Protection, Lebanon, NJ (USA). Div. of Fish, Game and Wildlife) | Cooper, G.