Agriculture and the environment
by Foppe B. DeWalle, F.B. de Walle, J. Sevenster · 1998

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Water qualityGovernment policyNutrient pollution of waterManuresAgriculture and stateAgricultural pollutionMinerals in agricultureEcological science, the BiospherePollution of land & cropsPollution of rivers & water suppliesEuropean Union countriesScience