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Resultados 81-90 de 282
Conifer aphids in an air-polluted environment. I. Aphid density, growth and accumulation of sulphur and nitrogen by Scots pine and Norway spruce seedlings
1993
Holopainen, J.K. | Mustaniemi, A. | Kainulainen, P. | Satka, H. | Oksanen, J. (Department of Environmental Sciences, University of Kuopio, PO Box 1627, SF-70211 Kuopio (Finland))
Concentrations of zinc and chromium in aquatic macrophytes from the Sudbury and Muskoka regions of Ontario, Canada
1993
Reimer, P. | Duthie, H.C. (Department of Biology, University of Waterloo, Waterloo, Ontario (Canada))
Effect of liming on plant accumulation of cadmium under upland or flooded conditions
1993
Xiong, L.M. | Lu, R.K. (Institute of Soil Science, Academia Sinica, Nanying (China))
Effects of simetryne on growth of various freshwater algal taxa
1993
Kasai, F. | Takamura, N. | Hatakeyama, S. (Regional Environment Division, National Institute for Environmental Studies, Tsukuba, Ibaraki 305 (Japan))
The effects of cadmium and zinc interactions on the accumulation and tissue distribution of zinc and cadmium in lettuce and spinach
1993
McKenna, I.M. | Chaney, R.L. | Williams, F.M. (Graduate Degree Program in Ecology, Pennsylvania State University, University Park, PA 16802 (USA))
Physiological effects of ozone on cultivars of watermelon (Citrullus lanatus) and muskmelon (Cucumis melo) widely grown in Spain
1993
Fernandez-Bayon, J.M. | Barnes, J.D. | Ollerenshaw, J.H. | Davison, A.W. (Department of Agricultural and Environmental Science, Faculty of Agriculture and Biological Sciences, Ridley Building, University of Newcastle, Newcastle upon Tyne NE1 7RU (United Kingdom))
Guides to pollution prevention
1993
Olfenbuttel, Robert F. | Harten, Teresa
[The Groundwater Monitoring Program: Status for pesticides]
1993
Bruesch, W. (Danmarks Geologiske Undersoegelser, Copenhagen (Denmark))
[Strategy for registrations in Funen County]
1993
Bisschop-Larsen, E.M.
Detecting ozone and demonstrating its phytotoxicity in forested areas of Poland: a pilot study
1993
Bytnerowicz, A. | Manning, W.J. | Grosjean, D. | Chmielewski, W. | Dmuchowski, W. | Grodzinska, K. | Godzik, B. (Pacific Southwest Research Station, USDA Forest Service, 4955 Canyon Crest Dr., Riverside, CA 92507 (USA))
