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Bechmann, M., Kleinman, P. J. A., and Sharpley, A. N. 2005. Freeze-thaw effects on phosphorus loss in runoff from manured and catch cropped soils. J. Environ. Qual. 34:2301-2309. 2005.
Davis, R., H. Zhang, J.L. Schroder, J.J. Wang, and M. E. Payton. 2005. Soil characteristics and phosphorus level effects on phosphorus loss in runoff. J. Environ. Qual. 34:1640-1650.
DeLaune, P.B., Haggard, B.E., Daniel, T. C., Chaubey, I., and Cochran, M.J. 2006. The Eucha/Spavinaw phosphorus index: A court mandated index for litter management. J. Soil Water Conserv. 61(2):96-105.
DeLaune, P. B., P. A. Moore, Jr., D. K. Carman, A. N. Sharpley, B. E.Haggard, and T.C.Daniel. 2004a. Development of a Phosphorus Index for Pastures Fertilized with Poultry Litter—Factors Affecting Phosphorus Runoff. J. Environ. Qual. 33:2183–2191.
DeLaune, P. B., P.A. Moore, Jr., D. K.Carman, A. N. Sharpley, B. E. Haggard, and T. C. Daniel. 2004b. Evaluation of the Phosphorus Source Component in the Phosphorus Index for Pastures. J. Environ. Qual. 33:2192–2200.
Fuhrman J.K., H. Zhang, J. Shroder, R.L. Davis, and M. Payton. 2005. Water soluble phosphorus as affected by soil to extractant ratios, extraction time, and electrolyte. Commun. Soil Sci. and Pl. Anal. 36: 925-935.
Haggard, B. E., P. B. DeLaune, D. R. Smith, and P. A. Moore, Jr. 2005. Nutrient And Ββ17-Estradiol Loss In Runoff Water From Poultry Litters. Journal Of The American Water Resources Association 4:245-256.
Haggard, B. E., P. A. Moore, Jr., I. Chaubey, E. H. Stanley. 2003. Nitrogen and Phosphorus Concentrations and Export from an Ozark Plateau Catchment in the United States. Biosystems Engineering 86(1):75–85.
Haggard, B. E., T. S. Soerens, W. R. Green, R. P. Richards. 2003. Using Regression Methods To Estimate Streamphosphorus Loads At The Illinois River, Arkansas. Applied Engineering in Agriculture 19(2):187–194.
Haggard, B. E., D. E. Storm, R. D. Tejral, Y. A. Popova, V. G. Keyworth, E. H. Stanley. 2001. Stream Nutrient Retention In Three Northeastern Oklahoma Agricultural Catchments. Transactions of the ASAE 44(3): 597–605.
Haggard, B. E., P. A.Vadas, D. R. Smith, P. B. DeLaune, P. A. Moore, Jr. 2005. Effect of Poultry Litter to Water Ratios on Extractable Phosphorus Content and its Relation to Runoff Phosphorus Concentrations. Biosystems Engineering 92(3):409–417.
Harmel, R. D., H. A. Torbert, P. B. DeLaune, B. E. Haggard, and R.L. Haney. 2005. Field evaluation of three phosphorus indices on new application sites in Texas. Journal of Soil and Water Conservation 60(1):29-42.
Harmel, R. D., H. A. Torbert, B. E. Haggard, R. Haney, and M. Dozier. 2004. Water Quality Impacts of Converting to a Poultry Litter Fertilization Strategy. J. Environ. Qual. 33:2229–2242.
Kleinman, P. J. A., Sharpley, A. N., Moyer, B. G., Elwinger, G. 2002. Effect of mineral and manure phosphorus sources on runoff phosphorus losses. J. Environ. Qual. 2026-2033.
Kleinman, P. J. A., and Sharpley, A. N. 2003. Effect of broadcast manure on runoff phosphorus concentration over successive rainfall events. J. Environ. Qual. 32:1072-1081.
Kleinman, P. J. A., Sharpley, A. N., Veith, T. L., Maguire, R. O., and Vadas, P. A. 2004. Evaluation of phosphorus transport in surface runoff from packed soil boxes. J. Environ. Qual. 33:1413–1423.
Kleinman, P.J.A., P. Salon, A.N. Sharpley, and L. S. Saporito. 2005. Effect of cover crops established at time of corn planting on phosphorus runoff from soils before and after dairy manure application. J. Soil Water Conserv. 60:311-322.
McDowell, R. W.H, and Sharpley, A. N. 2001. Approximating phosphorus release from soil to surface and subsurface drainage. J. Environ. Qual. 30:508-520.
McDowell, R. W., and Sharpley, A. N. 2002. Phosphorus transport in overland flow in response to position of manure application. J. Environ. Qual. 31:217-227.
McDowell, R. W., and Sharpley, A. N. 2002. Effect of plot scale and an upslope phosphorus source on phosphorus loss in overland flow. Soil Use and Management. 18:112-119.
Sharpley, A. N., Daniel, T. C., Wright, R. J., Kleinman, P. J. A., Sobecki, T., Parry, R., and Joern, B. C. 2002. The National Phosphorus Project: Addressing the interface of agriculture and environmental phosphorus management in the USA. Section 2.3 Indicators for Environmental Performance. p. 95-101. In J.Steenvoorden, F. Claessen, and J.Willems (eds.), Agricultural Effects on Ground and Surface Waters: Research at the Edge of Science and Society. International Association of Hydrological Sciences, IAHS Press, Wallingford, Oxon, England.
Sharpley, A. N., and Kleinman, P. J. A. 2003. Effect of rainfall simulator and plot scale on overland flow and phosphorus transport. J. Environ. Qual. 32:2172-2179.
Torbert, H. A., T. C. Daniel, J. L. Lemunyon, and R. M. Jones. 2002. Relationship of Soil Test Phosphorus and Sampling Depth to Runoff Phosphorus in Calcareous and Noncalcareous Soils. J. Environ. Qual. 31:1380–1387.
Torbert, H. A., R. D. Harmel, K. N. Potter, and M. Dozier. 2005. Evaluation of some phosphorus index criteria in cultivated agriculture in clay soils. Journal of Soil and Water Conservation 60(1):21-29.
Torbert, H. A., K. W. King, and R. D. Harmel. 2005. Impact of Soil Amendments on Reducing Phosphorus Losses from Runoff in Sod. J. Environ.Qual. 34:1415–1421.
Vadas, P. A., Kleinman, P. J. A., and Sharpley, A. N. 2004. A simple method to predict dissolved phosphorus in runoff from surface-applied manures. J. Environ. Qual. 33:749-756.
Vadas, P. A., Kleinman, P. J. A., and Sharpley, A. N. 2005. Relating soil phosphorus to dissolved phosphorus in runoff: A single extraction coefficient for water quality modeling. J. Environ. Qual. 34:572-580.
Wang, X., R. D. Harmel, J. R. Williams, W. L. Harman. 2006. Evaluation Of Epic For Assessing Crop Yield, Runoff, Sediment And Nutrient Losses From Watersheds With Poultry Litter Fertilization. Transactions of the ASABE 49(1): 47−59.
Zhang, H., J.L. Schroder, R. Davis, M. E. Payton, J.J. Wang, W.E. Thomason, Y. Tang, and W.R. Raun. 2006. Phosphorous loss in runoff from long-term continuous wheat fertility trials. Soil Sci. Soc. Am. J. 70:163-171.
Zhang, H., J.L. Schroder, J.K. Fuhrman, N.T. Basta, D. Storm, and M.E. Payton. 2005. Path and multiple regression analyses of phosphorus sorption capacity as affected by soil properties. Soil Sci. Soc. Am. J. 69: 96-106.