细化搜索
结果 221-230 的 280
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))
[Prevention of water pollution by agriculture and related activities]
1993
Burt, J.P. (United States Dept. of Agriculture, Washington, DC (USA))
[Jamaica's water resources: some threats to its good quality]
1993
Lawrence, M.S. (Underground Water Authority, Kingston (Jamaica))
[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))
[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))