细化搜索
结果 191-200 的 266
Plant nutrient management and the environment
1993
Joly, C.
Prevention of water pollution by agriculture and related activities
1993
Burt, J.P. (United States Dept. of Agriculture, Washington, DC (USA))
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.
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.
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))
Note on advanced integrated ponding systems for dairies and feedlots: a new waste treatment and reclamation technology for the farm
1993
Oswald, W.J. | Bailey Green, F. (California Univ., Berkeley (USA))
