Weaver, D M Phosphorus leaching in soils amended with piggery effluent or lime residues from effluent treatment. [electronic resource] - Environmental pollution (Barking, Essex : 1987) 1994 - 227-35 p. digital Publication Type: Journal Article ISSN: 0269-7491 Standard No.: 10.1016/0269-7491(94)90133-3 doi