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Resultados 101-110 de 166
Heavy metal content in the sediments of the southern part of the Coeur D'Alene lake
1974
Maxfield, D. | Rodriguez, J.M. | Buettner, M. | Davis, J. | Forbes, L. | Kovacs, R. | Russel, W. | Schultz, Ludolf | Smith, R. | Wai, C.M.
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.
The beneficial effects of fertilizer use in minimizing water pollution
1974
Gervy, R. (International Superphosphate and Compound Manufacturers Association, London (UK))
Some results obtained from the application of the activated-sludge process to waste waters from industrial hog breeding farms
1974
Negulescu, C.A.L. | Cute, E. (Research and Design Inst. for Water Resources Engineering, Bucharest (Romania))
Effects of fertilizers on surface and drainage waters
1974
Schulz, K. (Bundesversuchsinstitut fuer Kulturtechnik und Technische Bodenkunde, Petzenkirchen (Austria))
Evaluation of the existing methods of application and control of fertilizers with regard to their possible pollution of water bodies
1974
Mayr, H.H. (Oesterreichische Stickstoffwerke, A.G., Linz (Austria))
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))
Leaching of nutrients out of the soil into the waters and factors affecting it
1974
Kohonen, T. (National Board of Waters, Helsinki (Finland). Water Research Office)
Methods and measures used for the protection of waters against pollution (from cattle, swine or poultry) from large farms or livestock operations and accumulative effect of small farm production
1974
LaVeille, W.C. (Environmental Protection Agency, Washington, D.C. (USA). Office of Research and Development)
