@article{sripada_farrer_weisz_heiniger_white_2007, title={Aerial Color Infrared Photography to Optimize In-Season Nitrogen Fertilizer Recommendations in Winter Wheat}, volume={99}, DOI={10.2134/agronj2006.0258}, number={6}, journal={Agronomy Journal}, publisher={American Society of Agronomy}, author={Sripada, Ravi P. and Farrer, Dianne C. and Weisz, Randy and Heiniger, Ronnie W. and White, Jeffrey G.}, year={2007}, pages={1424} }
 @article{williams_crozier_white_sripada_crouse_2007, title={Comparison of Soil Nitrogen Tests for Corn Fertilizer Recommendations in the Humid Southeastern USA}, volume={71}, DOI={10.2136/sssaj2006.0057}, number={1}, journal={Soil Science Society of America Journal}, publisher={Soil Science Society of America}, author={Williams, Jared D. and Crozier, Carl R. and White, Jeffrey G. and Sripada, Ravi P. and Crouse, David A.}, year={2007}, pages={171} }
 @article{williams_crozier_white_heiniger_sripada_crouse_2007, title={Illinois Soil Nitrogen Test Predicts Southeastern U.S. Corn Economic Optimum Nitrogen Rates}, volume={71}, DOI={10.2136/sssaj2006.0135}, number={3}, journal={Soil Science Society of America Journal}, publisher={Soil Science Society of America}, author={Williams, Jared D. and Crozier, Carl R. and White, Jeffrey G. and Heiniger, Ronnie W. and Sripada, Ravi P. and Crouse, David A.}, year={2007}, pages={735} }
 @article{weisz_sripada_heiniger_white_farrer_2007, title={In-Season Tissue Testing to Optimize Soft Red Winter Wheat Nitrogen Fertilizer Rates}, volume={99}, DOI={10.2134/agronj2006.0112}, number={2}, journal={Agronomy Journal}, publisher={American Society of Agronomy}, author={Weisz, Randy and Sripada, Ravi P. and Heiniger, Ronnie W. and White, Jeffrey G. and Farrer, Dianne C.}, year={2007}, pages={511} }
 @article{sripada_heiniger_white_meijer_2006, title={Aerial Color Infrared Photography for Determining Early In-Season Nitrogen Requirements in Corn}, volume={98}, DOI={10.2134/agronj2005.0200}, number={4}, journal={Agronomy Journal}, publisher={American Society of Agronomy}, author={Sripada, Ravi P. and Heiniger, Ronnie W. and White, Jeffrey G. and Meijer, Alan D.}, year={2006}, pages={968} }
 @article{sripada_heiniger_white_crozier_meijer_2006, title={Attempt to validate a remote sensing-based late-season corn nitrogen requirement prediction system}, ISBN={1543-7833}, journal={Crop Management}, author={Sripada, R. P. and Heiniger, R. W. and White, J. G. and Crozier, C. R. and Meijer, A. D.}, year={2006}, pages={1} }