Pradhan, Surendra K Stored human urine supplemented with wood ash as fertilizer in tomato (Solanum lycopersicum) cultivation and its impacts on fruit yield and quality. [electronic resource] - Journal of agricultural and food chemistry Aug 2009 - 7612-7 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1520-5118 Standard No.: 10.1021/jf9018917 doi Subjects--Topical Terms: Agriculture--methodsFertilizers--analysisFruit--chemistryHumansSolanum lycopersicum--chemistryUrine--chemistrybeta Carotene--analysis