Уточнить поиск
Результаты 101-110 из 166
Effects of soil erosion in agricultural and forest areas of Austria
1974
Schulz, K. (Bundesversuchsinstitut fuer Kulturtechnik und technische Bodenkunde, Petzenkirchen (Austria))
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)
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))
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)
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)
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)