Affiner votre recherche
Résultats 211-220 de 281
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.)
Natural water quality and agricultural pollution in Chile
1993
Pena Torrealba, H. (Ministerio de Obras Publicas, Santiago (Chile))
The use of bioindicators to determine water quality
1993
Guerrero Padilla, A.M. (Universidad Nacional de Trujillo (Peru))
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))
Plant nutrient management and the environment
1993
Joly, C.
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))
Results of the questionnaire filled out by participating countries from Latin America and the Caribbean
1993
Chanduvi, F. | Prieto-Celi, M.