خيارات البحث
النتائج 231 - 240 من 281
[An overview of pollution of water by agriculture]
1993
Sagardoy, J.A.
[Natural water quality and agricultural pollution in Chile]
1993
Pena Torrealba, H. (Ministerio de Obras Publicas, Santiago (Chile))
[The influence of agriculture on water quality in Colombia]
1993
Gomez Sanchez, C.E. (Instituto Nacional de los Recursos Naturales Renovables, Santa Fe de Bogota (Colombia))
[Pollution of inland waters of Chile by nitrates and pesticide residues]
1993
Gonzalez Martineaux, S. (Instituto de Investigaciones Agropecuarias, Santiago (Chile))
[Legislation on water pollution in the European Community]
1993
Rijtema, P.E. (Winand Staring Centre for Integrated Land, Soil and Water Research, Wageningen (Netherlands))
[Reducing salinization of soil and water by improving irrigation and drainage management]
1993
Rhoades, J.D. (United States Dept. of Agriculture, Riverside, CA (USA). Salinity Lab.)
Guidance specifying management measures for sources of nonpoint pollution in coastal waters | United States. Coastal Zone Act Reauthorization Amendments of 1990
1993
[Inland fisheries under constraints by other uses of land and water resources in Argentina]
1993
Quiros, R. (Instituto Nacional de Investigacion y Desarrollo Pesquero, Mar del Plata (Argentina))
[Irrigation with wastewater in Xochimilco, Mexico DF, Mexico]
1993
Chanduvi, F.
[Hazard assessment of agricultural chemicals by simple simulation models]
1993
Calamari, D. (Milan Univ. (Italy)) | Barg, U.