خيارات البحث
النتائج 201 - 210 من 266
Natural water quality and agricultural pollution in Chile
1993
Pena Torrealba, H. (Ministerio de Obras Publicas, Santiago (Chile))
Water pollution in Costa Rica by residues from coffee processing and hog production
1993
Coto Campos, J.M. (Universidad Nacional, Heredia (Costa Rica))
GEMS [Global Environment Monitoring System]/WATER. Global programme of water quality monitoring and assessment
1993
Ongley, E.D. (Canada Center for Inland Waters, Burlington, Ontario (Canada)) | Fraser, A.S. | Helmer, R. | Vandeweerd, V.
Requirements by the World Bank to protect water quality in development projects
1993
Matthews, G.J. (IBRD, Washington, DC (USA))
Health impacts related to irrigated agriculture in Latin America
1993
Reiff, F. (Pan American Health Organization, Washington, DC (USA))
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))
Hazard assessment of agricultural chemicals by simple simulation models
1993
Calamari, D. (Milan Univ. (Italy)) | Barg, U.
Water quality data programmes for developing land use and resource policies: Latin America
1993
Ongley, E.D. (Canada Center for Inland Waters, Burlington, Ontario (Canada))
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.)
Water quality assessment to determine the nature and extent of water pollution by agriculture and related activities
1993
Rickert, D. (U.S. Geological Service, Reston, VA (USA))