Resources
* Please go to the Publications page for BCRET Project Publications
** Bolded authors below are BCRET members
Presentation Materials
Big Creek Research and Extension Team: Final Report
Arkansas House and Senate Public Health, Welfare and Labor Committee on June 6, 2020
The Big Creek Research and Extension Team: The Science
Sustainable Management of Nutrients on the C&H Farm in Big Creek Watershed
Rotary Club Meeting, October 2013
The Big Creek Research and Extension Team
Sustainable Management of Nutrients on the C&H Farm in Big Creek Watershed
Arkansas Water Resource Center Conference presentation, July 2014
Big Creek Extension Team
Sustainable Management of Nutrients on the C&H Farm in Big Creek Watershed
Legislator presentation, August 2014
Arkansas Farm Bureau Video
The Big Creek Research and Extension Team’s study assessing the effects of a Newton County swine operation on the Buffalo River is nearing the end of its first year and so far has revealed no impact to the watershed. T
Big Creek Research & Extension Project: One Year On
The Big Creek Research and Extension Team’s study has reached its one-year milestone.
Rotary Club meeting, April 2014.
Pollution Control & Ecology Commission Meeting
ADEQ Headquarters, North Little Rock, June 24, 2016.
Extension Material
- 2019: Beef Cattle Management: for Water Quality Protection in Arkansas
- 2016: Water for Beef Cattle
- 2015: Strategies for Livestock Management in Riparian Zones in Arkansas
- 2015: A Riparian Area Assessment Guide for Streamside Landowners
- 2011: Runoff Water Management for Animal Production and Environmental Protection
- 2011: Liquid Manure Solids Management
- 2010: Using the 2010 Arkansas Phosphorus Index
- 2010: Soil Phosphorus: Management and Recommendations
- 2010: Arkansas Phosphorus Index
- 2010: Sampling Liquid Manure
- 2009: What is Water Quality?
- 2009: Riparian Buffers: Types and Established Methods
- 2009: Riparian Buffers: Functions and values
- 2008: Using the Watershed Approach to Maintain and Enhance Water Quality
- 2008: Glossary of Water-Related Terms
- 2008: Best Management Practices for Livestock Farms
- 2008: A History of National Water Legislation
- 2007: Overview of Regulations for Nutrient Management on Livestock Farms in Arkansas
- 2007: Arkansas Watersheds
- 2005: Soil Testing for Manure Management
- 2005: Nutrient and Water Quality Concerns
- 2004: Nutrient Management Planning for Livestock Operations: an Overview
- 2004: Arkansas Watershed Steward – Handbook
Research Bibliography
- 2020
Sharpley, A.N., K.R. Brye, J. Burke, L.G. Berry, M.B. Daniels, and P. Webb. 2020. Can soil phosphorus sorption saturation estimate future potential legacy phosphorus sources? Agroecosystems, Geosciences and Environment 2020;3:e20122. https://doi.org/10.1002/agg2.20122.
Sharpley, A.N., P.D. Hays, K.W. VanDevender, and M.B. Daniels. 2020. Phosphorus runoff risk assessment in karst regions of the U.S. Agricultural and Environmental Letters 5:e20001. 8 pages. https://doi.org/10.1002/ael2.20001. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.1002/ael2.20001.
Sharpley, A.N., M.B. Daniels, K.R. Brye, K. VanDevender, J. Burke, L.G. Berry, and P. Webb. 2020. Fate and transport of phosphorus-containing land-applied swine slurry in a karst watershed. Agroecosystems, Geosciences and Environment 2020;e20096. Available at https://doi.org/10.1002/agg2.20096.
Herron, S.L., A.N. Sharpley, K.R. Brye, and J.M. Burke. 2020. Nutrient removal structures using locally-sourced iron and aluminum by-products reduce nutrient runoff from broiler production facilities. Journal of Environmental Protection 11:332-343. Available at https://www.scirp.org/journal/jep.
Nair, V.D., L.E. Sollenberger, W.G. Harris, A.N. Sharpley, A.M. Freitas, J.C.B. Dubeux, Jr., and A.N. Rodriguez. 2020. Mining of soil legacy phosphorus without jeopardizing crop yield. Agroecosystems, Geosciences and Environment 2020;3:e20024. Available at https://doi.org/10.1002/agg2.20056.
Using the water quality index for runoff from agricultural fields (WQIag)
- 2019
Sharpley, A.N., M.J. Helmers, P.J.A. Kleinman, K. King, A. Leytem, and N. Nelson. 2019. Managing crop nutrients to achieve water quality goals. Journal of Soil and Water Conservation 74(5):91A-101A. doi:10.2489/jswc.74.5.91A Available at https://www.jswconline.org/content/74/5/91A.
Bolster, C.H., C. Baffaut, N.O. Nelson, D.L. Osmond, M.L. Cabrera, J.J. Ramirez-Avila, A.N. Sharpley, T.L. Veith, A.M. S. McFarland, A.G. M. M. M. Senaviratne, G.M. Pierzynski, and R.P. Udawatta. 2019. Development of PLEAD: A database containing event-based runoff phosphorus loadings from agricultural fields. Journal of Environmental Quality 48(2):510-517. doi:10.2134/jeq2018.09.0337. Database is available at https://doi.org/10.15482/USDA.ADC/1482380.
Brennan, R.B., J.G. Murnane, A.N. Sharpley, S. Herron, K.R. Brye, T. Simmons. 2019. Soil phosphorus dynamics following land application of unsaturated and partially saturated red mud and water treatment residuals. Journal of Environmental Management 109296. Available at https://doi.org/10.1016/j.jenvman.2019.109296.
Daniels, M.B., A.N. Sharpley, B. Robertson, E. Gbur, L. Riley, P. Webb, B.L. Singleton, A. Free, L. Berry, C. Hallmark and T. Nehls. 2019. Nutrients in runoff from cotton production in the Lower Mississippi River Basin: An on-farm study. Agroecosystems, Geosciences and Environment 2:190033. Available at https://acsess.onlinelibrary.wiley.com/doi/pdf/10.2134/age2019.05.0033.
Flaten, D. A.N. Sharpley, H.P. Jarvie, and P.J.A. Kleinman. 2019. Reducing Unintended Consequences of Agricultural Phosphorus. Better Crops 103(1): 33-35. doi.org/10.24047/BC103133. Available at http://www.ipni.net/publication/bettercrops.nsf/article/BC103133.
Jarvie, H.P., A.N. Sharpley, D. Flaten, and P.J.A. Kleinman. 2019. Phosphorus mirabilis: Illuminating the past and future of phosphorus stewardship. Journal of Environmental Quality 48:1127-1132. doi:10.2134/jeq2019.07.0266. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/jeq2019.07.0266.
Jarvie, H.P., D. Flaten, A.N. Sharpley, P.J. A. Kleinman, M.G. Healy, and S.M. King. 2019. Future phosphorus: Advancing new 2D phosphorus allotropes and growing a sustainable bioeconomy. Journal of Environmental Quality 48:1145-1155. doi:10.2134/jeq2019.03.0135. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/jeq2019.03.0135.
Osmond, D.L., A.L. Shober, A.N. Sharpley, E.W. Duncan, and D.L.K. Hoag. 2019. Increasing the effectiveness and adoption of agricultural phosphorus management strategies to minimize water quality impairment. Journal of Environmental Quality 48:1204-1217. doi:10.2134/jeq2019.03.0114. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/jeq2019.03.0114.
- 2018
Sharpley, A.N. 2018. The drive to improve water quality via conservation adoption: Who’s at the wheel and where are we headed? Agricultural and Environmental Letters 3:180041. doi:10.2134/ael2018.08.0041. Available at https://acsess.onlinelibrary.wiley.com/doi/full/10.2134/ael2018.08.0041.
Sharpley, A.N., H.P. Jarvie, D. Flaten, and P.J.A. Kleinman. 2018. Celebrating the 350th anniversary of phosphorus discovery: A conundrum of deficiency and excess. Journal of Environmental Quality, 47: 4: 774-777. doi:10.2134/jeq2018.05.0170. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/jeq2018.05.0170.
Burke, J., Sharpley, A.N., L. Berry, K. Brye, M.B. Daniels, E. Gbur, K.W. VanDevender, S.M. King, P. Hays, and B.E. Haggard. 2018. Nutrient concentrations in Big Creek correlate to regional watershed land use. Cooperative Extension Service, Division of Agriculture, University of Arkansas. Fact Sheet FSA9537. 5 pages. Available at https://uaex.uada.edu/publications/pdf/FSA-9537.pdf.
Dari, B., V.D. Nair, A.N. Sharpley, P.J.A. Kleinman, D. Franklin, and W.G. Harris. 2018. Consistency of the threshold phosphorus saturation ratio across a wide geographic range of acid soils. Agroecosystems, Geosciences and Environment 1:180028. doi:10.2134/age2018.08.0028. Available at https://buffaloriveralliance.org/resources/Documents/sharpley%20article%20saturation%20ratio%202018.pdf.
Dodd, R.J., A.N. Sharpley, and L.G. Berry. 2018. Organic phosphorus can make an important contribution to phosphorus loss from riparian buffers. Agricultural and Environmental Letters 3:180002. doi:10.2134/ael2018.01.0002. Available at https://acsess.onlinelibrary.wiley.com/doi/pdf/10.2134/ael2018.01.0002.
Daniels, M.D., A.N. Sharpley, D. Harmel, and K. Anderson. 2018. The utilization of edge-of-field monitoring of agricultural runoff in addressing nonpoint source pollution. Journal of Soil and Water Conservation 73(1):1-8. doi:10.2489/jswc.73.1.1. Available at https://www.jswconline.org/content/73/1/1.
Manale, A., A.N. Sharpley, C. DeLong, D. Speidel, C. Gantzer, J. Peterson, R. Martin, C. Lindahl, and N. Adusumilli. 2018. Principles and policies for soil and water conservation. Journal of Soil and Water Conservation 73(4):96A-99A. doi:10.2489/jswc.73.4.96A. Available at http://www.jswconline.org/content/73/4/96A.full.pdf+html?sid=6e7bee1c-966d-4581-baf7-c1d88081027d.
McCarty, J.A., M.D. Matlock, J.T. Scott, and B.E. Haggard. 2018. Risk indicators for identifying critical source areas in five Arkansas watersheds. Transactions of the American Society of Agricultural and Biological Engineers 61(3):1025-1032. Available at https://doi.org/10.13031/trans.12699
- 2017
Sharpley, A.N., B.E. Haggard, L. Berry, K. Brye, J. Burke, M.B. Daniels, E. Gbur, T. Glover, P. Hays, T. Kresse, and K.W. VanDevender. 2017. Nutrient concentrations in Big Creek correlate to regional watershed land use. Agricultural and Environmental Letters 2017 2:170027. doi:10.2134/ael2017.08.0027. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/ael2017.08.0027.
Sharpley, A.N., P.J.A. Kleinman, C. Baffaut, D. Beegle, C. Bolster, A. Collick, Z. Easton, J. Lory, N. Nelson, D. Osmond, D. Radcliffe, T. Veith, and J. Weld. 2017. Evaluation of phosphorus site assessment tools: Lessons from the U.S.A. Journal of Environmental Quality 46:1250-1256. doi:10.2134/jeq2016.11.0427. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/jeq2016.11.0427.
Daniels, M.D., A.N. Sharpley, D. Harmel, and K. Anderson. 2017. The utilization of edge-of-field monitoring of agricultural runoff in addressing nonpoint source pollution. Journal of Soil and Water Conservation, 73(1):1-8. Available at https://www.jswconline.org/content/73/1/1.
Lasater, A. L., and B.E. Haggard. 2017. Sediment phosphorus flux at Lake Tenkiller, Oklahoma: How important are internal sources? Agricultural and Environmental Letters 2:170017. doi:10.2134/ael2017.06.0017. Available at https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2134/ael2017.06.0017
- 2016
Sharpley, A.N., P.J.A. Kleinman, H.P. Jarvie, and D. Flaten. 2016. Distant views and local realities: The limits of global assessments to restore the fragmented phosphorus cycle. Agricultural and Environmental Letters 1:160024. doi:10.2134/ael2016.07.0024. Available at https://acsess.onlinelibrary.wiley.com/doi/10.2134/ael2016.07.0024.
Reavis, M.A., and B.E. Haggard. 2016. Are floodplain soils a potential phosphorus source when inundated that can be effectively managed? Agricultural and Environmental Letters 1:160036. doi:10.2134/ael2016.09.0036. Available at https://doi.org/10.2134/ael2016.09.0036.
McCarty, J.A., and B.E. Haggard. 2016. Can we manage nonpoint-source pollution using nutrient concentrations during seasonal baseflow? Agricultural and Environmental Letters 1:160015 doi:10.2134/ael2016.03.0015. Available at https://doi.org/10.2134/ael2016.03.0015
Project Contact
Andrew Sharpley, Ph.D.
Distinguished Professor of Soils and Water Quality
Phone: 479-575-5721
Fax: 479-575-7465
Email: sharpley@uark.edu
115 Plant Science Building
University of Arkansas
Fayetteville, AR 72701