?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+K&rft.au=Singh%2C+K+K&rft.aulast=Singh&rft.atitle=Phosphorous+and+Mung+Bean+Residue+Incorporation+Improve+Soil+Fertility+and+Crop+Productivity+in+Sorghum+and+Mungbean-Lentil+Cropping+System&rft.title=Journal+of+Plant+Nutrition&rft.issn=0190-4167&rft.date=2008&rft.volume=31&rft.pages=459-471&rft.issue=3&rft.genre=article