?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=G+V&rft.au=Subbarao%2C+G+V&rft.aulast=Subbarao&rft.atitle=Nitrogen+management+in+grasslands+and+forage-based+production+systems+%E2%80%93+Role+of+biological+nitrification+inhibition+(BNI)&rft.title=Tropical+Grasslands+%E2%80%93+Forrajes+Tropicales&rft.issn=2346-3775+&rft.date=2013&rft.volume=1&rft.pages=149-155&rft.genre=article