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Resultados 51-60 de 229
Biology of freshwater pollution
1991
Mason, C. F.
The effects of acidification on the geochemistry of Al, Cd, Pb and Hg in freshwater environments: a literature review
1991
Nelson, W.O. | Campbell, P.G.C. (Univ. Quebec, Inst. National de la Recherche Scientifique, Sainte-Foy, Quebec G1V 4C7 (Canada))
Responses of plants to simulated saline drift as affected by species and conditions of exposure
1991
McCune, D.C. | Silberman, D.H. (Boyce Thompson Institute for Plant Research, Cornell University, Ithaca, NY 14853 (USA))
Modeling plant response to tropospheric ozone: a critical review
1991
Kickert, R.N. | Krupa, S.V. (S.V. Krupa, Department of Plant Pathology, University of Minnesota, St Paul, MN 55108 (USA))
Yield and grain quality of spring wheat (Triticum aestivum L., cv. Drabant) exposed to different concentrations of ozone in open-top chambers
1991
Pleijel, H. | Skarby, L. | Wallin, G. | Sellden, G. (Swedish Environmental Research Institute (IVL), 402 58 Goteborg (Sweden))
Factors affecting alkaline nature of rain water in Agra (India)
1991
Saxena, A. | Sharma, S. | Kulshrestha, U.C. | Srivastava, S.S. (Department of Chemistry, Faculty of Science, Dayalbagh Educational Institute, Dayalbagh, Agra 282005 (India))
Reversibility of stemflow-induced soil acidification in Swedish beech forest
1991
Falkengren-Grerup, U. | Bjork, L. (Dep. Plant Ecology, Univ. Lund, S-223 61 Lund (Sweden))
Effects of Sphagnum moss and urban runoff on bioavailability of lead and zinc from acidic wetlands of the New Jersey Pinelands
1991
Vedagiri, U. | Ehrenfeld, J. (Dep. Environmental Sci., Rutgers Univ. New Brunswick, NJ 08903 (USA))
Origin of Bel-W3, Bel-C and Bel-B tobacco varieties and their use as indicators of ozone
1991
Heggestad, H.E. (USDA-ARS Climate Stress Laboratory, Beltsville, MD 20705 (USA))