AGRIS - 国际农业科技情报系统

[ 发表于: Pollution ]
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结果 51-60 的 374

Environmental policy for the control of nitrate pollution at farm level in the European Union

1997

Hellegers, P.J.G.J.

Wageningen University & Research - Netherlands


Regulating pollution

1997

Davies, J. Clarence | Mazurek, Jan

National Agricultural Library - United States of America

Controlling pollution

1997

Mehta, Shekhar | Mundle, Sudipto | Sankar, U.

National Agricultural Library - United States of America