Phosphorus management research and the 4Rs

K. W. King, M. R. Williams, N. R. Fausey, Effect of crop type and season on nutrient leaching to tile drainage under a corn–soybean rotation Journal of Soil and Water Conservation. ,vol. 71, pp. 56- 68 ,(2016) , 10.2489/JSWC.71.1.56

Song S. Qian, R. Daren Harmel, Applying Statistical Causal Analyses to Agricultural Conservation: A Case Study Examining P Loss Impacts Journal of The American Water Resources Association. ,vol. 52, pp. 198- 208 ,(2016) , 10.1111/1752-1688.12377

Douglas R. Smith, R. Daren Harmel, Mark Williams, Richard Haney, Kevin W. King, Managing Acute Phosphorus Loss with Fertilizer Source and Placement: Proof of Concept Agricultural & Environmental Letters. ,vol. 1, pp. 150015- ,(2016) , 10.2134/AEL2015.12.0015

L. E. Christianson, R. D. Harmel, D. Smith, M. R. Williams, K. King, Assessment and Synthesis of 50 Years of Published Drainage Phosphorus Losses Journal of Environmental Quality. ,vol. 45, pp. 1467- 1477 ,(2016) , 10.2134/JEQ2015.12.0593

Helen P. Jarvie, Laura T. Johnson, Andrew N. Sharpley, Douglas R. Smith, David B. Baker, Tom W. Bruulsema, Remegio Confesor, Increased soluble phosphorus loads to Lake Erie:unintended consequences of conservation practices? Journal of Environmental Quality. ,vol. 46, pp. 123- 132 ,(2017) , 10.2134/JEQ2016.07.0248