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Результаты 241-250 из 282
[Prevention of water pollution by agriculture and related activities]
1993
Burt, J.P. (United States Dept. of Agriculture, Washington, DC (USA))
[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))
[An overview of pollution of water by agriculture]
1993
Sagardoy, J.A.
[Pollution of irrigation water in Mendoza, Argentina]
1993
Chambouleyron, J. (Instituto Nacional de Ciencia y Tecnica Hidricas, Lujan (Argentina)) | Morabito, J. | Mirablie, C. | Dias, R. | Simmermann, M. | Campos, S. | Solanes, R. | Neciff, N. | Salatino, S.
[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))
[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.
[Pollution of groundwater resources in rural areas and its impact on agriculture and health: Huaura case study, Peru]
1993
Ventura Napa, M. (Ministerio de Agricultura, Lima (Peru))
[Improving nitrogen management in irrigated, intensely cultivated areas: the approach in France]
1993
Ignazi, J.C. (Comite d'Orientation pour la Reduction de la Pollution par les Nitrates, Paris (France))
[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.)
[Discharge waters in the watersheds of the States of Mexico and Hidalgo]
1993
Ortega, E.M. | Diaz, E.L.F. (Centro de Hidrociencias, Montecillo (Mexico))