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Results 111-120 of 166
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)
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))
Principal guidelines for international co-operation in scientific and other research works for water protection against the noxious effects of the use of pesticides in agriculture and forestry
1974
Kljajic, R. (European and Mediterranean Plant Protection Organization, Paris (France))
Evaluation of side and harmful effects on water bodies of the use of poisonous chemicals in forest and range activities
1974
Kunkle, S.H. (Food and Agriculture Organization of the United Nations, Rome (Italy). Forestry Dept.)
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)