Studies on improving the quality of drinking water in an agricultural district with a special reference to a method to remove agricultural chemicals.
D002119:Calcium Carbonate; D002244:Carbon; D005374:Filtration; D007306:Insecticides; D010278:Parathion; D010636:Phenols; D014876:Water Pollution
D007306:Insecticides; D010636:Phenols; D010278:Parathion; D002244:Carbon; D002119:Calcium Carbonate