?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.cropro.2016.07.008&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K&rft.au=Ramesh%2C+K&rft.aulast=Ramesh&rft.atitle=Role+of+crop+competition+in+managing+weeds+in+rice%2C+wheat%2C+and+maize+in+India%3A+A+review&rft.title=Crop+Protection&rft.issn=02612194&rft.date=May+2017&rft.volume=95&rft.pages=14-21&rft.genre=article