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Результаты 111-120 из 166
Pollution control in the organic chemical industry
1974
Sittig, Marshall
Effects of soil erosion in agricultural and forest areas of Austria
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)
Evaluation of the harmful effects of the different methods of use and dispersal of pesticides on water bodies
1974
Brachet, J. (Ministere de l'Agriculture, Paris (France). Service de l'Amenagement des Eaux)
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.)
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)
Possibility of herbicide detection in water by means of the greening inhibition of etiolated and excised cucumber cotyledons
1974
Decleire, M. | Cat, W. de | Bastin, R. (Ministerie van Landbouw, Tervuren (Belgium). Instituut voor Scheikundig Onderzoek)
Biological control of unwanted aquatic plants
1974
Weber, E. (Bundesanstalt fuer Wasserbiologie und Abwasserforschung, Vienna (Austria))
Penetration of herbicides into the soil with precipitations
1974
Neururer, H. (Bundesanstalt fuer Pflanzenschutz, Vienna (Austria))