细化搜索
结果 101-110 的 166
The toxicities of sewage effluents, industrial discharges and some chemical substances to brown trout (Salmo trutta) in the Trent River Authority area
1974
Woodiwiss, F.S. (Pollution Control and Fisheries Department, Trent River Authority (UK)) | Fretwell, G.
Heavy metal pollution in the sediments of the Coeur d'Alen e river delta
1974
Maxfield, D. | Rodriguez, J.M. | Buettner, M. | Davis, J. | Forbes, L. | Kovacs, R. | Russel, W. | Schultz, Ludolf | Smith, R.
Pollution control in the organic chemical industry
1974
Sittig, Marshall
Effects of fertilizers on surface and drainage waters
1974
Schulz, K. (Bundesversuchsinstitut fuer Kulturtechnik und Technische Bodenkunde, Petzenkirchen (Austria))
Possible effects of forest residues and forestry operations on surface water quality
1974
Evans, J.O. (Dept. of Agriculture, Washington, D.C. (USA). Forest Service)
Assessment of the existing stage of water pollution in the ECE region caused by animal waste disposal
1974
Herman, P. (Ministerie van Landbouw, Tervuren (Belgium). Instituut voor Scheikundig Onderzoek)
Methods and measures undertaken [in Finland] and proposed for the abatement of water pollution resulting from the application of an increased yuantity and new formulations of fertilizers
1974
Pessi, Y. (Rikkihappo Co., Helsinki (Finland))
Biological control of unwanted aquatic plants
1974
Weber, E. (Bundesanstalt fuer Wasserbiologie und Abwasserforschung, Vienna (Austria))
Effects of certain activities in agriculture on the pollution of surface waters and measures for their abatement
1974
Buie, E.C. (Dept. of Agriculture, Washington, D.C. (USA). Soil Conservation Service)
Ground water pollution; a bibliography
1974
Summers, W. Kelly | Spiegel, Zane
