[ 发表于: Pollution ]
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Environmental impacts of different nitrogen inputs on dairy farms and implications for the Resource Management Act of New Zealand
1998
Ledgard, S.F. | Crush, J.R. | Penno, J.W. (AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton (New Zealand))
Department for Environment, Food and Rural Affairs - United Kingdom
Environmental concerns in the Laguna de Bay basin [Philippines]
1997
Tomboc, C.C. | Francisco, F.F. (Laguna Lake Development Authority, Pasig, Metro Manila (Philippines))
University Library, University of the Philippines at Los Baños - Philippines
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))
Food and Agriculture Organization of the United Nations - Italy
[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))
Food and Agriculture Organization of the United Nations - Italy
The contributions of science to integrated coastal management
1996
Food and Agriculture Organization of the United Nations - Italy
