?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=K+P&rft.au=Nagavallemma%2C+K+P&rft.aulast=Nagavallemma&rft.inst=Acharya+N+G+Ranga+Agricultural+University&rft.date=2000&rft.title=Evaluation+of+land+management+practices+for+nutrient+budgeting+and+dynamics+in+soybean-based+cropping+systems+in+vertic+inceptisols&rft.tpages=356&rft.degree=PHD