?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A+N&rft.au=Rao%2C+A+N&rft.aulast=Rao&rft.date=March+2017&rft.title=Increasing+input+resources+use+efficiency+through+appropriate+weed+management+in+Indian+agriculture&rft.genre=proceeding