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[The state of transboundary air pollution: 1992 update]
1993
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.
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))
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))
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))
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))