?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+L&rft.au=Sahrawat%2C+K+L&rft.aulast=Sahrawat&rft.atitle=Organic+nitrogen+in+potassium+chloride+extracts+of+histosols+in+the+Philippines&rft.title=Geoderma&rft.issn=0016-7061+&rft.date=1983&rft.volume=29&rft.pages=77-80&rft.issue=1&rft.genre=article