[ 发表于: Pollution ]
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Reducing the impact of crop nutrients on the environment

1993

Steen, I. | Williams, T. (European Fertilizer Manufacturers Association, Brussels (Belgium))

Department for Environment, Food and Rural Affairs - United Kingdom

The global nitrogen cycle: changes and consequences

1998

Galloway, J.N. (Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22903 (USA))

Department for Environment, Food and Rural Affairs - United Kingdom