[ نُشرت في: Pollution ]
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النتائج 101 - 110 من 166
Pollution control in the organic chemical industry
1974
Sittig, Marshall
National Agricultural Library - United States of America
Ground water pollution; a bibliography
1974
Summers, W. Kelly | Spiegel, Zane
National Agricultural Library - United States of America
Effects of fertilizers on surface and drainage waters
1974
Schulz, K. (Bundesversuchsinstitut fuer Kulturtechnik und Technische Bodenkunde, Petzenkirchen (Austria))
Food and Agriculture Organization of the United Nations - Italy
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)
Food and Agriculture Organization of the United Nations - Italy
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)
Food and Agriculture Organization of the United Nations - Italy
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))
Food and Agriculture Organization of the United Nations - Italy
Biological control of unwanted aquatic plants
1974
Weber, E. (Bundesanstalt fuer Wasserbiologie und Abwasserforschung, Vienna (Austria))
Food and Agriculture Organization of the United Nations - Italy
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)
Food and Agriculture Organization of the United Nations - Italy
