Ball Coelho, B R Tile water quality following liquid swine manure application into standing corn. [electronic resource] - Journal of environmental quality - 580-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0047-2425 Standard No.: 10.2134/jeq2006.0306 doi Subjects--Topical Terms: Agriculture--methodsAnimalsColony Count, MicrobialEnterobacteriaceae--isolation & purificationFertilizersManureNitrogen--analysisPhosphorus--analysisQuaternary Ammonium Compounds--analysisSwineWater Pollutants--analysisZea mays