?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=Alcohol+Extract+of+Neem+(Azadirachta+indica+L.)+Seed+as+Nitrification+Inhibitor+&rft.title=Journal+of+the+Indian+Society+of+Soil+Science&rft.issn=0019-638X&rft.date=1975&rft.volume=23&rft.pages=131-134&rft.issue=1&rft.genre=article