?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=.&rft.au=Raghavendra%2C+.&rft.aulast=Raghavendra&rft.inst=College+of+Agriculture%2C+Raichur+University+of+Agricultural+Sciences+Raichur&rft.date=2017&rft.title=Studies+on+soil+test+based+nutrient+management+approaches+in+dry+direct+seeded+rice+-+mustard+cropping+system&rft.tpages=254&rft.degree=PHD