?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=B+N&rft.au=Abilash%2C+B+N&rft.aulast=Abilash&rft.inst=University+of+Agricultural+Sciences%2C+Raichur&rft.date=2017&rft.title=Studies+on+different+sources+and+levels+of+sulphur+on+productivity+and+quality+of+rainfed+sunflower+(Helianthus+annus+L.)&rft.tpages=154&rft.degree=Masters