?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sahrawat%2C+K+L&rft.aufirst=K+L&rft.aulast=Sahrawat&rft.issn=0019-638X&rft.pages=368-370&rft.atitle=Transformations+of+Surface-applied+Urea+in+Three+Soils+of+Varying+pH&rft.volume=40&rft.issue=2&rft.title=Journal+of+the+Indian+Sociely+of+Soii+Science&rft.date=1992&rft.genre=article