أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
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Soil chemical results from the PEF-measuring plot "Schoellkopf"

1992

Wilpert, K. von (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany)) | Hildebrand, E.E.

ZB MED Nutrition. Environment. Agriculture - Germany



Efficiency and substitution in pollution abatement

1992

Anderson, Dennis | Cavendish, William

National Agricultural Library - United States of America


Agricultural nonpoint source pollution and economic incentive policies

1992

Malik, Arun S. | Larson, Bruce A. | Ribaudo, Marc

National Agricultural Library - United States of America