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结果 81-90 的 266
Photosynthetic inhibition and superoxide dismutase activity in soybean cultivars exposed to short-term ozone fumigations
1993
Sheng, W.S. | Chevone, B.I. | Hess, J.L. (Department of Plant Pathology, Physiology and Weed Science, Virginia Technical University, Blacksburg, VA 24061 (USA))
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))
Effects of DDT ground-spraying against tsetse flies on lizards in NW Zimbabwe
1993
Lambert, M.R.K. (Natural Resources Institute, Central Avenue, Chatham Maritime, Chatham, Kent, ME4 4TB (United Kingdom))
Investigations on the photosynthetic system of spruce affected by forest decline and ozone fumigation in closed chambers
1993
Ruth, B. | Weisel, B. (GSF-Forschungszentrum fur Umwelt und Gesundheit, Ingolstadter Landstr. 1, W-8042 Neuherberg (Germany))
No general effect of ozone on foliar nutrient concentrations in mature scions of grafted Picea abies trees
1993
Ogner, G. (The Norwegian Forest Research Institute, Hogskoleveien 12, N-1432, As (Norway))
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))
Dry deposition of nitrogen and sulfur to ponderosa and Jeffrey pine in the San Bernardino National Forest in southern California
1993
Fenn, M.E. | Bytnerowicz, A. (Pacific Southwest Forest and Range Experimental Station, USDA-FS, Forest Fire Laboratory, 4955 Canyon Crest Drive, Riverside, California, 92507 (USA))
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))
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))
Modelling long-term cation supply in acidified forest stands
1993
Warfvinge, P. | Falkengren-Grerup, U. | Sverdrup, H. | Andersen, B. (Department of Chemical Engineering II, Lund Institute of Technology, PO Box 124, S-221 00 Lund (Sweden))
