Agricultural Engineer
Kenneth C. Stone
Research Agricultural Engineer
USDA-ARS
Coastal Plains Soil, Water, and Plant Research Center
2611 West Lucas St., Florence, SC 29501-1242
843-669-5203 x111
Ken.Stone@usda.gov
Dr. Stone is a Research Agricultural Engineer and Lead Scientist at the Coastal Plains Soil, Water, and Plant Research Center, Florence, SC. He provides leadership and technical guidance for conducting research to solve critical natural resource, water management, and quality problems. His research is focused on optimizing spatial water applications, using low quality waters (recycled, saline) in irrigation, treating animal wastewaters, and reducing agriculture’s environmental impacts on nutrient sensitive ecosystems. .
Education and Training:
Ph.D., Agricultural Engineer, University of Florida, Gainesville, FL
M.S., Agricultural Engineering, University of Georgia, Athens, GA
BSAE, Agricultural Engineering, University of Georgia, Athens, GA
Professional Experience:
Research Agricultural Engineer, USDA-ARS, Florence, SC
Post-Doctoral Researcher, University of Florida, Gainesville, FL
Selected Publications:
- Stone, K.C., Hunt, P.G., Humenik, F.J. and Johnson, M.H. Impact of swine waste application on ground and stream water quality in an eastern Coastal Plain watershed. Trans. ASAE 41(6):1665-1670. 1998.
- Stone, K.C., Hunt, P.G., Johnson, M.H. and Matheny, T.A. Nitrate-N distribution and trends in shallow groundwater on an eastern Coastal Plains watershed. Trans. ASAE 41(1):59-64. 1998
- Stone, K.C., Hunt, P.G., Novak, J.M., Johnson, M.H. and Watts, D.W. Flow-proportional, time-composited, and grab sample estimation of nitrogen export from an eastern Coastal Plain watershed. Trans. ASAE 43(2):281-290. 2000
- Stone, K.C., Hunt, P.G., Szogi, A.A., Humenik, F.J., and Rice, J.M. Constructed wetland design and performance for swine lagoon wastewater treatment. Trans. ASAE 45:723-730. 2002.
- Stone, K.C., Hunt, P.G., Millen, J.A., Johnson, M.H., Matheny, T.A., Vanotti, M.B. and Burns, J.C. Forage subsurface drip irrigation using treated swine wastewater. Trans. ASABE. 51(2):433-440. 2008.
- Stone, K.C., Hunt, P.G., Cantrell, K.B. and Ro, K.S. The potential impacts of biomass feedstock production on water resource availability. Biores. Technol. 101: 2014–2025. 2010.
- Stone, K.C., Bauer, P.J., Andrae, J., Busscher, W.J., Millen, J.A., Strickland E.E., and Evans, D.E. Irrigation and nitrogen impact on bermudagrass yield response in the southeastern Coastal Plain. Trans. ASABE 55(3):969-978. 2012.
- Stone K.C., Bauer P.J., Busscher W.J., Millen J.A., Evans D.E., and Strickland, Jr., E.E. Variable-rate irrigation management using an expert system in the eastern coastal plain. Irrigation Science 33(3):167-175. 2015.
- Stone, K.C., Bauer, P.J., and Sigua, G.C. Irrigation management using an expert system, soil water potentials, and vegetative indices for spatial applications. Trans. ASABE 59(3):941-948. 2016.
- Sigua, G.C., Stone, K.C., Bauer, P.J., Szogi, A.A., and Shumaker, P.D. Impacts of irrigation scheduling on pore water nitrate and phosphate in coastal plain region of the United States. Agric. Water Manag. 186:75-85. 2017.
- Stone, K.C., Bauer, P.J., and Sigua, G.C. Potential water conservation using site-specific variable rate irrigation. Applied Engineering in Agriculture. 35(6): 881-888. 2019.
- Stone, K. C., Bauer, P. J., O’Shaughnessy, S. Andrade-Rodriguez, A., Evett, S. R. A variable rate irrigation decision support system for corn in the US Eastern Coastal Plain. Trans. ASABE 63(5):1295-1303. 2020.
Innovative Technologies and Practices to Enhance Water Quantity and Quality Management for Sustainable Agricultural Systems in the Southeastern Coastal Plain In-House Appropriated (D) Accession Number:441487
Epie, K., Bauer, P., Stone, K.C., Locke, A.M. 2023. Density, not tillage, increases soybean protein concentration in some southeastern US environments. Agronomy Journal. 115(4):1867–1876. https://doi.org/10.1002/agj2.21371.
Stone, K.C., Billman, E.D., Bauer, P.J., Sigua, G.C. 2023. Supplemental data for using NDVI for vareiable rate cotton irrigation prescriptions. Figshare. https://doi.org/10.13031/22270096.
Sohoulande Djebou, D.C., Szogi, A.A., Novak, J.M., Stone, K.C., Martin, J.H., Watts, D.W. 2023. Instream constructed wetland capacity at controlling phosphorus outflow under a long-term nutrient loading scenario. Modeling Earth Systems and Environment. https://doi.org/10.1007/s40808-023-01763-w.
Sohoulande Djebou, D.C., Szogi, A.A., Stone, K.C., Sigua, G.C., Martin, J.H., Shumaker, P.D., Bauer, P.J. 2022. Evaluation of phosphorus runoff from sandy soils under conservation tillage with surface broadcasted recovered phosphates. Journal of Environmental Management. 328:117005. https://doi.org/10.1016/j.jenvman.2022.117005.
Sohoulande Djebou, D.C., Szogi, A.A., Novak, J., Stone, K.C., Martin, J.H., Watts, D.W. 2022. Long-term nitrogen and phosphorus outflow from an instream constructed wetland under precipitation variability. Sustainability. https://doi.org/10.3390/su142416500.
Stone, K.C., Billman, E.D., Bauer, P.J., Sigua, G.C. 2022. Using NDVI for variable rate cotton irrigation prescriptions. Applied Engineering in Agriculture. 38(5):787-795. https://doi.org/10.13031/aea.15071.
Sohoulande Djebou, D.C., Szogi, A.A., Novak, J.M., Stone, K.C., Martin, J.H., Watts, D.W. 2022. Assessing instream-wetland capacity at controlling Phosphorus outflow from an agricultural watershed using SWAT model. Meeting Abstract.
Epie, K.E., Bauer, P.J., Stone, K.C., Locke, A.M. 2022. Nitrogen fertilizer effect on soybean physiology, yield components, seed yield and protein content in the Southeastern US. Journal of Plant Nutrition. https://doi.org/10.1080/01904167.2022.2084106.
Sohoulande Djebou, D.C., Awoye, H., Nouwakpo, S.K., Dogan, S., Szogi, A.A., Stone, K.C., Martin, J.H. 2022. A global-scale assessment of water resources and vegetation cover dynamics in relation with the earth climate gradient. Remote Sensing in Earth Systems Sciences. https://doi.org/10.1007/s41976-021-00063-0.
Evett, S.R., O'Shaughnessy, S.A., Andrade, M.A., Colaizzi, P.D., Schwartz, R.C., Schomberg, H.H., Stone, K.C., Vories, E.D., Sui, R., Larue, J. 2021. Theory and development of a VRI decision support system: The USDA ARS ISSCADA approach [abstract]. Pre-recorded video presentation, ASABE/IA 6th Decennial National Irrigation Symposium, December 6-10, 2021, San Diego, CA.
Sohoulande Djebou, D.C., Szogi, A.A., Stone, K.C., Novak, J.M. 2021. Data from: Watershed scale nitrate-N abatement of instream wetlands: an appraisal using the soil and water assessment tool. Dryad Digital Repository. https://doi.org/10.5061/dryad.dfn2z351v.
Lamm, F.R., Dukes, M.D., Stone, K.C., Mecham, B.Q. 2021. Beyond 2020, vision of the future: Selected papers from the sixth decennial National Irrgiation Symposium. Transactions of the ASABE. 64(5):1449-1458. https://doi.org/10.13031/trans.14574.
Sohoulande Djebou, D.C., Conger, S., Szogi, A.A., Stone, K.C., Martin, J.H. 2021. Seasonal precipitation pattern analysis for decision support of agricultural irrigation management in Louisiana, USA. Agricultural Water Management. 254. https://doi.org/10.1016/j.agwat.2021.106970.
Ducey, T.F., Novak, J.M., Sigua, G.C., Ippolito, J.A., Rushmiller, H.C., Watts, D.W., Trippe, K.M., Spokas, K.A., Stone, K.C., Johnson, M.G. 2021. Microbial response to designer biochar and compost treatments for mining impacted soils. Biochar. 3:299-314. https://doi.org/10.1007/s42773-021-00093-3.
Sohoulande Djebou, D.C., Martin, J.H., Szogi, A.A., Stone, K.C. 2021. Data from: Climate-driven prediction of land water storage anomalies: an outlook for water resources monitoring across the conterminous United States. Dryad Digital Repository. https://doi.org/10.5061/dryad.qnk98sfdz.
Sigua, G.C., Stone, K.C., Bauer, P.J., Szogi, A.A. 2020. Efficacy of supplemental irrigation and nitrogen management on enhancing nitrogen availability and urease activity in soils with sorghum production. Sustainability. https://doi.org/10.3390/su12208358.
O'Shaughnessy, S.A., Andrade, M.A., Colaizzi, P.D., Evett, S.R., Schomberg, H.H., Stone, K.C., Sui, R., Vories, E.D., Schwartz, R.C. 2020. Irrigation Scheduling Supervisory Control and Data Acquisition (ISSCADA)- a decision support tool for center pivot irrigation systems [abstract]. 2020 Federal Laboratory Consortium for Technology Transfer National Meeting. Award presented to Technology Transfer team.
Sohoulande Djebou, D.C., Martin, J.H., Szogi, A.A., Stone, K.C. 2020. Climate-driven prediction of land water storage anomalies: An outlook for water resources monitoring across the conterminous United States. Journal of Hydrology. 588. https://doi.org/10.1016/j.jhydrol.2020.125053.
Sigua, G.C., Novak, J.M., Watts, D.W., Myers Jr, W.T., Ducey, T.F., Stone, K.C. 2020. Urease activity and nitrogen dynamics in highly weathered soils with designer biochars under corn cultivation. Biochar Journal. https://doi.org/10.1007/s42773-020-00052-4.
Sohoulande Djebou, D.C., Ma, L., Szogi, A.A., Sigua, G.C., Stone, K.C., Malone, R.W. 2020. Evaluating nitrogen management for corn production with supplemental irrigation on sandy soils of the Southeastern Coastal Plain region of the United States. Transactions of the ASABE. 63(3):731-740. https://doi.org/10.13031/trans.13885.
Stone, K.C., Bauer, P.J., Oshaughnessy, S.A., Andrade-Rodriguez, A., Evett, S.R. 2020. A variable-rate irrigation decision support system for corn in the U.S. Eastern Coastal Plain. Transactions of the ASABE. 63(5):1295-1303. https://doi.org/10.13031/trans.13965.
Sohoulande Djebou, D.C., Szogi, A.A., Stone, K.C., Novak, J.M. 2020. Watershed scale nitrate-N abatement of instream wetlands: An appraisal using the soil and water assessment tool. Applied Engineering in Agriculture. 36(3):387-397. https://doi.org/10.13031/aea.13736.
Lamm, F.R., Porter, D.O., Bordovsky, J.P., Evett, S.R., O'Shaughnessy, S.A., Stone, K.C., Kranz, W.L., Rogers, D.H., Colaizzi, P.D. 2019. Targeted, precision irrigation for moving platforms: Selected papers from a center pivot technology transfer effort. Transactions of the ASABE. 62(5):1409-1415. https://doi.org/10.13031/trans.13371.
Sohoulande Djebou, D.C., Stone, K.C., Szogi, A.A., Bauer, P.J. 2019. An investigation of seasonal precipitation patterns for rainfed agriculture in the southeastern region of the United States. Agricultural Water Management. 223. https://doi.org/10.1016/j.agwat.2019.105728.
Evett, S.R., Stone, K.C., Schwartz, R.C., O'Shaughnessy, S.A., Colaizzi, P.D., Anderson, S.K., Anderson, D.J. 2019. Resolving discrepancies between laboratory-determined field capacity values and field water content observations: Implications for irrigation management. Irrigation Science. 37:751-759. https://doi.org/10.1007/s00271-019-00644-4.
Novak, J.M., Sigua, G.C., Ducey, T.F., Watts, D.W., Stone, K.C. 2019. Designer biochars impact on corn grain yields, biomass production, and fertility properties of a highly-weathered ultisol. Environments. 6(6):64. https://doi.org/10.3390/environments6060064.
Sohoulande Djebou, D.C., Stone, K.C., Singh, V.P. 2019. Quantifying the probabilistic divergences related to time-space scales for inferences in water resource management. Agricultural Water Management. 217:282-291. https://doi.org/10.1016/j.agwat.2019.03.004.
Stone, K.C., Bauer, P.J., Oshaughnessy, S.A., Andrade, M.A., Evett, S.R. 2019. A variable rate irrigation decision support system for corn in the US Eastern Coastal Plain. In: Stafford, J.V., ed. Precision Agriculture '19 - Proceedings 12th European Conference on Precision Agriculture, July 8-11, 2019. Montpellier, France. 2019. p. 673-679. https://doi.org/10.3920/978-90-8686-888-9_83.
Stone, K.C., Bauer, P.J., Oshaughnessy, S.A., Andrade, M.A., Evett, S.R. 2019. A variable rate irrigation decision support system for corn in the US Eastern Coastal Plain. In: Stafford, J.V., ed. Precision Agriculture '19. Wageningen Academic Publishers. p.673-679. https://doi.org/10.3920/978-90-8686-888-9_83.
Stone, K.C., Bauer, P.J., Sigua, G.C. 2019. Potential water conservation using site-specific variable rate irrigation. Applied Engineering in Agriculture. 35(6):881-888. https://doi.org/10.13031/aea.13108.
Stone, K.C., Sigua, G.C., Bauer, P.J. 2018. Grain sorghum irrigation in the US Eastern Coastal Plain using variable rate irrigation. In: Proceedings of 2018 Irrigation and Education Conference, December 3-7, 2018, Long Beach, California. p.1-10.
Sigua, G.C., Stone, K.C., Bauer, P.J., Szogi, A.A. 2018. Biomass and nitrogen-use efficiency of grain sorghum (Sorghum bicolor L.) with nitrogen and supplemental irrigation in Coastal Plain Region, USA. Agronomy. https://doi.org/10.2134/agronj2017.09.0533.
Stone, K.C., Sigua, G.C., Bauer, P.J. 2018. Supplemental irrigation for grain sorghum production in the US Eastern Coastal Plain. Applied Engineering in Agriculture. 34(2):395-402. https://doi.org/10.13031/aea.12615.
Hugie, K.L., Bauer, P.J., Stone, K.C., Barnes, E.M., Jones, D.C., Campbell, B.T. 2018. Improving the precision of NDVI estimates in upland cotton field trials. The Plant Phenome Journal. 1(1):1-9.
Sigua, G.C., Stone, K.C., Bauer, P.J., Szogi, A.A. 2017. Phosphorus dynamics and phosphatase acitivity of soils under corn production with supplemental irrigation in humid coastal plain region, USA. Nutrient Cycling in Agroecosystems. 109(3):249-267. https://doi.org/10.1007/s10705-017-9882-6.
Sigua, G.C., Stone, K.C., Bauer, P.J., Szogi, A.A., Shumaker, P.D. 2017. Impact of irrigation scheduling on pore water nitrate and phosphate in coastal plains soils with corn production. Agricultural Water Management. 186:75-85.
Sigua, G.C., Stone, K.C., Bauer, P.J., Szogi, A.A. 2016. Nitrate leaching, water-use efficiency and yield of corn with different irrigation and nitrogen management systems in coastal plains, USA. WIT Transactions on Ecology and the Environment. 203:159-170. https://doi.org/10.2495/EID160151.
Sigua, G.C., Celestino, A., Alberto, R.T., Paz-Alberto, A.M., Stone, K.C. 2016. Enhancing cleanup of heavy metal-polluted landfill soils and improving soil microbial activity using green technology with ferrous sulfate. International Journal of Environmental Protection. 6(1):97-103.
Lamm, F.R., Stone, K.C., Dukes, M.D., Howell, T.A., Robbins, Jr., J.W., Mecham, B.Q. 2016. Emerging technologies for sustainable irrigation – a tribute to the career of Terry Howell, Sr. Selected papers from the 2015 ASABE and IA irrigation symposium. Transactions of the ASABE. 59(1):155-161. https://doi.org/10.13031/trans.59.11706.
Stone, K.C., Bauer, P.J., Sigua, G.C. 2016. Irrigation management using an expert system, soil water potentials, and vegetative indices for spatial applications. Transactions of the ASABE. 59(3):941-948.
Bauer, P.J., Stone, K.C., Foulk, J.A., Dodd, R.B. 2015. Nitrogen, phosphorus, potassium, calcium, magnesium, and zinc in southeastern USA harvested flax. Crop, Forage & Turfgrass Management. https://doi.org/10.2134/cftm2014.0082.
Stone, K.C., Sadler, E.J. 2016. Assessing spatial variation of corn response to irrigation using a bayesian semiparametric model. Transactions of the ASABE. 59(1): 251-261.
Stone, K.C., Sadler, E.J. 2015. Assessing spatial variation of corn response to irrigation using a bayesian semiparametric model. In: Proceedings of the 2015 ASABE/IA Irrigation Symposium: Emerging Technologies for Sustainable Irrigation-A tribute to the Career of Terry Howell, Sr., November 10-12, 2015, Long Beach, California. p 1-23. (doi:10.13031/irrig.20152142961). Conference Proceedings Paper No. 152142961,
Stone, K.C., Bauer, P.J., Busscher, W.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2015. Variable-rate irrigation management using an expert system in the eastern Coastal Plain. Irrigation Science. 33(3):167-175.
Viguria, M., Ro, K.S., Stone, K.C., Johnson, M.H. 2015. Accuracy of vertical radial plume mapping technique in measuring lagoon gas emission. Journal of Air and Waste Management Association. 65(4):395-403.
Bauer, P.J., Stone, K.C., Foulk, J.A., Dodd, R.B. 2015. Irrigation and cultivar effect on flax fiber and seed yield in the southeast USA. Industrial Crops and Products. 67:7-10.
Stone, K.C., Sadler, E.J. 2014. Using a spatially explicit analysis model to evaluate spatial variation of corn yield. In: Proceedings of the Irrigation Association International Irrigation Technical Conference, November 19-20, 2014, Phoenix, Arizona. 2014 CDROM.
Bauer, P.J., Stone, K.C., Andrae, J.G., Busscher, W.J., Millen, J.A., Strickland Jr, E.E., Evans, D.E. 2015. Water deficit and nitrogen fertility effects on NDVI of 'Tifton 85' bermudagrass during regrowth. Applied Engineering in Agriculture. 31(1):97-102. https://doi.org/10.13031/aea.31.10731.
Evett, S.R., Vories, E.D., Stone, K.C., Sui, R., Trout, T.J., Reba, M.L., Bronson, K.F. 2014. Water saving technologies in U.S. irrigation [abstract]. Sino-US workshop on water use efficiency in Yangling, China, Sept. 12. skp
Sigua, G.C., Stone, K.C., Hunt, P.G., Cantrell, K.B., Novak, J.M. 2014. Increasing biomass of winter wheat using sorghum biochars. Agronomy for Sustainable Development. 35:739-748.
Sigua, G.C., Hunt, P.G., Stone, K.C., Cantrell, K.B., Novak, J.M. 2014. Contrasting effects of sorghum biochars and sorghum residues on soil chemical changes of coastal plains ultisols with winter wheat. Soil Science. 179(8):383-392.
Stone, K.C., Bauer, P.J., Millen, J.A. 2013. Evaluation of potential water conservation using site-specific irrigation. In: Proceedings of the 2013 Irrigation Show and Education Confernece, November 4-8, 2013, Austin, Texas. 2013 CDROM.
Sadler, E.J., Oshaughnessy, S.A., Vories, E.D., Stone, K.C., Perry, C.D. 2013. A historical perspective of VR water management for improved crop production. ASA-CSSA-SSSA Annual Meeting Abstracts. 42-1.
Ro, K.S., Stone, K.C., Johnson, M.H., Hunt, P.G., Flesch, T., Todd, R.W. 2014. Optimal sensor locations for the backward Lagrangian stochastic technique in measuring lagoon gas emission. Journal of Environmental Quality. 43:1111-1118.
Ro, K.S., Johnson, M.H., Viguria, M., Stone, K.C., Hunt, P.G. 2013. Comparison of micrometeorological techniques in measuring gas emissions from waste lagoons. In: Air Quality Measurement Methods and Technology Conference, November 19-21, 2013, Sacramento, California. http://measurements.awma.org
Ro, K.S., Johnson, M.H., Stone, K.C., Hunt, P.G., Flesh, T., Todd, R.W., Trabue, S.L. 2013. Effects of sensor location and the atmospheric stability on the accuracy of an inverse-dispersion technique for lagoon gas emission measurements. In: Guideline on Air Quality Models: The path forward, March 19-21, 2013, Raleigh, North Carolina.
Stone, K.C., Bauer, P.J., Andrae, J. 2012. Bermudagrass yield response to irrigation and nitrogen in the southeastern Coastal Plain. In: Proceedings of the Irrigation Association International Irrigation Technical Conference, November 2-6, 2012, Orlando, Florida. 10 p. CDROM.
Stone, K.C., Sorensen, R.B. 2012. Surface drip irrigation. In: Perry, C. and Barnes, E., editors, Cotton Irrigation Management for Humid Regions. Cotton Incorporated, Cary, North Carolina. p. 49-51. http://www.cottoninc.com/fiber/AgriculturalDisciplines/Engineering/Irrigation-Management/cotton-irrigation-web.pdf
Stone, K.C., Bauer, P.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2012. Variable-rate irrigation management using an expert system in the eastern coastal plain. In: Proceedings of the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America International Annual Meeting, October 21-24, 2012, Cincinnati, Ohio.
Stone, K.C., Hunt, P.G., Cantrell, K.B., Ro, K.S. 2013. Biomass feedstock production impact on water resource availability. In: Singh, B., editor. Biofuel Crop Sustainability. New York: Wiley-Blackwell Publisher. p. 239-260.
Jalankuzov, T., Suleimenov, B., Busscher, W.J., Stone, K.C., Bauer, P.J. 2013. Irrigated cotton grown on sierozem soils in South Kazakhstan. Communications in Soil Science and Plant Analysis. 44(22):3391-3399 doi: 10.1080/00103624.2013.847449.
Ro, K.S., Johnson, M.H., Stone, K.C., Hunt, P.G., Todd, R.W., Flesch, T. 2012. Inverse-dispersion technique for assessing lagoon gas emissions. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting, July 29-August 1, 2012, Dallas, Texas, Paper #12-1337658. 8 pp.
Evans, R.G., Larue, J., Stone, K.C., King, B.A. 2013. Adoption of site-specific variable rate sprinkler irrigation systems. Irrigation Science. 31:871-887.
Novak, J.M., Szogi, A.A., Stone, K.C., Chu, X., Watts, D.W., Johnson, M.H. 2012. Transport of nitrate and ammonium during stream flow events from a southeastern USA Coastal Plain in-stream wetland - 1997 to 1999. Chapter 7. In: Hickey, K., editor. Advances in Hurricane Research - Modelling, Meteorology, Preparedness and Impacts. New York:InTech. p. 139-158. Available: http://dx.doi.org/10.5772/51152.
Ro, K.S., Johnson, M.H., Stone, K.C., Hunt, P.G., Todd, R.W., Flesch, T. 2012. Accuracy of lagoon gas emissions using an inverse dispersion method. In: Proceedings of the International Symposium on Emissions of Gas and Dust from Livestock, June 10-12, 2012, Saint-Malo, France.
Stone, K.C., Bauer, P.J., Andrae, J., Busscher, W.J., Millen, J.A., Strickland Jr, E.E., Evans, D.E. 2012. Irrigation and nitrogen impact on bermudagrass yield response in the southeastern Coastal Plain. Transactions of the American Society of Agricultural and Biological Engineers. 55(3):969-978.
Ro, K.S., Johnson, M.H., Stone, K.C., Hunt, P.G., Flesch, T., Todd, R.W. 2013. Measuring gas emissions from animal waste lagoons with an inverse-dispersion technique. Atmospheric Environment. 66:101-106.
Hunt, P.G., Matheny, T.A., Vanotti, M.B., Stone, K.C., Szogi, A.A. 2012. Denitrification enzyme activity in swine wastewater effluent of a nitrification/denitrification treatment system. Transactions of the ASABE. 55(1):159-165.
Stone, K.C., Bauer, P.J., Busscher, W.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2011. Peanut canopy temperature and NDVI response to varying irrigation rates. In: Proceedings of the Innovations in Irrigation Conference, November 6-8, 2011, San Diego, California. 9 p.
Evans, R.G., Larue, J., Stone, K.C., King, B.A. 2011. Enhancing adoption of site-specific variable rate sprinkler systems. In: Irrigation Association Conference Proceedings. Innovations in Irrigation Conference, November 6-8, 2011, San Diego, California. 2011 CD-ROM.
Ro, K.S., Johnson, M.H., Stone, K.C., Hunt, P.G., Todd, R.W., Flesch, T. 2011. Validity of using backward Lagrangian Stochastic technique in measuring trace gas emission from treatment lagoon [abstract]. In: Proceedings of the American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meeting, October 16-19, 2011, San Antonio, Texas.
Bauer, P.J., Stone, K.C., Andrae, J., Busscher, W.J. 2011. Irrigating Tifton 85 bermudagrass for forage production in the humid Southeast [abstract]. In: Proceedings of the American Society of Agronomy-Crop Science Society of America-Soil Science Society of America International Annual Meetings, October 16-19, 2011, San Antonio, Texas.
Hunt, P.G., Stone, K.C., Matheny, T.A., Vanotti, M.B., Szogi, A.A., Busscher, W.J. 2011. Double-cropped soybean and wheat with subsurface drip irrigation supplemented by treated swine wastewater. Communications in Soil Science and Plant Analysis. 42:2778-2794.
Stone, K.C., Bauer, P.J., Busscher, W.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2010. Variable-rate irrigation management for peanut in the eastern Coastal Plain. Proceedings of the 5th Decennial National Irrigation Conference. Paper No. IRR10-8799, 7 pp., December 5-8, 2010, Phoenix, Arizona.
Stone, K.C., Bauer, P.J., Busscher, W.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2010. Variable-rate irrigation management for peanut using Irrigator Pro. In: Proceedings of the 10th International Conference on Precision Agriculture, July 18-21, 2010, Denver, Colorado. 2 p.
Stone, K.C., Camp Jr, C.R., Sadler, E.J., Evans, D.E., Millen, J.A. 2010. Corn yield response to nitrogen fertilizer and irrigation in the southeastern Coastal Plain. Applied Engineering in Agriculture. 26(3):429-438.
Cantrell, K.B., Hunt, P.G., Ro, K.S., Stone, K.C., Vanotti, M.B., Burns, J.C. 2010. Thermogravimetric characterization of irrigated bermudagrass as a combustion feedstock. Trans. ASABE. 53(2):413-420.
Stone, K.C., Hunt, P.G., Cantrell, K.B., Ro, K.S. 2010. The potential impacts of biomass feedstock production on water resource availability. Bioresource Technology. 101:2014-2025.
Stone, K.C., Bauer, P., Busscher, W., Millen, J., Evans, D., Strickland Jr, E. 2009. Variable-rate irrigation management for peanut in the eastern Coastal Plains. In: Proceedings of the 30th Annual International Irrigation Show, December 2-4, 2009, San Antonio, Texas. 2009. CDROM.
Hunt, P.G., Cantrell, K.B., Vanotti, M.B., Novak, J.M., Bauer, P.J., Szogi, A.A., Ro, K.S., Stone, K.C. 2009. Green and profitable farming systems for the southeastern USA. Proceedings of the Farming Systems Design 2009 International Symposium, August 23-26, 2009, Monterey, California. 2 pp.
Hunt, P.G., Stone, K.C., Matheny, T.A., Poach, M.E., Vanotti, M.B., Ducey, T.F. 2009. Denitrification of nitrified and non-nitrified swine lagoon wastewater in the suspended sludge layer of treatment wetlands. Ecological Engineering. 35(10):1514-1522.
Cantrell, K.B., Ro, K.S., Frederick, J.R., Bauer, P.J., Stone, K.C., Hunt, P.G. 2009. Water usage in southeastern bioenergy crop production. In: Fuel Chemistry Preprints of the American Chemical Society National Meeting, August 16-20, 2009, Washington, DC. 54(2):1022-1023. 2009 CDROM
Stone, K.C., Hunt, P.G., Cantrell, K.B., Ro, K.S. 2009. Managing water resources for biomass production in a biofuel economy. In: Fuel Chemistry Preprints of the American Chemical Society National Meeting, August 16-20, 2009, Washington, DC. 54(2):1016-1017. 2009 CDROM
Burns, J.C., Stone, K.C., Hunt, P.G., Vanotti, M.B., Cantrell, K.B., Fisher, D.S. 2009. Intake and digestibility of ‘Coastal’ bermudagrass hay from treated swine waste using subsurface drip irrigation. Journal of Environmental Quality. 38:1749-1756.
Cantrell, K.B., Stone, K.C., Hunt, P.G., Ro, K.S., Vanotti, M.B., Burns, J.C. 2009. Bioenergy from Coastal bermudagrass receiving subsurface drip irrigation with advance-treated swine wastewater. Bioresource Technology 100:3285-3292.
Reddy, G.B., Hunt, P.G., Poach, M.E., Forbes, D., Matheny, T.A., Stone, K.C., Szogi, A.A., Ducey, T.F. 2008. Marsh-pond-marsh wetland treatment of nitrogen and phosphorus in swine anaerobic lagoon wastewater: A case study. In: Proceedings of the International Conference on Wetland Systems Technology in Water Pollution Control, November 1-7, 2008, Indore, India. pp. 754-765.
Novak, J.M., Szogi, A.A., Chu, X., Stone, K.C. 2008. Extreme storm events causes distinctive nitrogen loads transported through a southeastern USA Coastal Plain in-stream wetland [abstract]. American Society of Agronomy-Crop Science Society of America-Soil Science Society of America Annual Meeting, November 5-9, Houston, Texas. 2008 CDROM
Bauer, P.J., Stone, K.C., Busscher, W.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2008. Site-specific irrigation of peanuts on a Coastal Plain field. Proceedings of 9th International Conference on Precision Agriculture, July 20-23, 2008, Denver, Colorado. 2008 CDROM.
Stone, K.C., Bauer, P.J., Busscher, W.J., Millen, J.A., Evans, D.E., Strickland Jr, E.E. 2008. Variable rate irrigation management for peanut in the eastern Coastal Plain. Proceedings of 9th International Conference on Precision Agriculture, July 20-23, 2008, Denver, Colorado. 2008 CDROM.
Ro, K.S., Szogi, A.A., Vanotti, M.B., Stone, K.C. 2008. Process model for ammonia volatilization from anaerobic swine lagoons incorporating varying wind speeds and biogas bubbling. Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting, June 29-July 2, 2008, Providence, Rhode Island, Paper No. 084245. 16 pp.
Stone, K.C., Bauer, P.J., Busscher, W.J., Millen, J.A. 2008. Narrow row corn production with subsurface drip irrigation. Applied Engineering in Agriculture 24(4):455-464.
Hunt, P.G., Matheny, T.A., Ro, K.S., Stone, K.C., Vanotti, M.B. 2008. Denitrification of agricultural drainage line water via immobilized denitrification sludge. Journal of Environmental Science and Health Part A. 43:1077-1084.
Stone, K.C., Hunt, P.G., Millen, J.A., Johnson, M.H., Matheny, T.A., Vanotti, M.B., Burns, J.C. 2008. Forage subsurface drip irrigation using treated swine wastewater. Transactions of the ASABE 51(2):433-440.
Ro, K.S., Szogi, A.A., Vanotti, M.B., Stone, K.C. 2008. Process model for ammonia volatilization from anaerobic swine lagoons incorporating varying wind speeds and gas bubbling. Transactions of the ASABE 51(1):259-270.
Stone, K.C., Bauer, P.J., Busscher, W.J., Strickland Jr, E.E., Millen, J.A., Evans, D.E. 2007. Crop growth and soil water spatial variability under a variable rate center pivot. In: Proceedings of the 28th Annual International Irrigation Show, December 9-11, 2007, San Diego, California. p. 411-414.
Stone, K.C., Bauer, P.J., Busscher, W.J., Strickland Jr, E.E., Millen, J.A., Evans, D.E. 2007. Crop growth and soil water spatial variability under a variable rate center pivot. In: Proceedings of the 6th European Conference on Precision Agriculture, June 3-6, 2007, Skiathos, Greece. 4 p.
Poach, M.E., Hunt, P.G., Reddy, G.B., Stone, K.C., Johnson, M.H., Grubbs, A. 2007. Effect of intermittent drainage on swine wastewater treatment by marsh-pond-marsh constructed wetlands. Ecological Engineering 30:43-50.
Holan, S., Wang, S., Arab, A., Sadler, E.J., Stone, K.C. 2008. Semiparametric Geographically Weighted Response Curves with Application to Site Specific Agriculture. Journal of Agricultural, Biological, and Environmental Statistics. 13(4):424-439.
Novak, J.M., Szogi, A.A., Stone, K.C., Watts, D.W., Johnson, M.H. 2007. Dissolved phosphorus export from an animal waste impacted in-stream wetland: Response to tropical storm and hurricane disturbance. Journal of Environmental Quality 36:790-800.
Stone, K.C., Hunt, P.G., Millen, J.A., Johnson, M.H. 2007. Forage subsurface drip irrigation using treated swine effluent [abstract]. In: Proceedings of the 2007 USDA-CSREES National Water Quality Conference, January 28-February 1, 2007, Savannah, Georgia. Available: http://www.soil.ncsu.edu/extension/training/abstracts/index.php?num=4&action=detail&abs=288
Bauer, P.J., Stone, K.C., Busscher, W.J. 2005. Narrow-row corn production with sub-surface drip irrigation [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.
Stone, K.C., Sadler, E.J., Millen, J.A., Evans, D.E., Camp, C.R. 2006. Water flow rates from a site-specific irrigation system. Applied Engineering in Agriculture. 22(1):73-78.
Stone, K.C., Hunt, P.G., Millen, J.A., Johnson, M.H. 2005. Forage subsurface drip irrigation using treated swine effluent. In: Proceedings of The Irrigation Association Emerging Irrigation Technology Conference, November 6-8, 2005, Phoenix, Arizona. p. 57-61.
Hunt, P.G., Poach, M.E., Matheny, T.A., Reddy, G.B., Stone, K.C. 2006. Denitrification in marsh-pond-marsh constructed wetlands treating swine wastewater at different loading rates. Soil Science Society of America Journal. 70:487-493.
Sadler, E.J., Evans, R.G., Stone, K.C., Camp Jr, C.R. 2005. Opportunities for conservation with precision irrigation. Journal of Soil and Water Conservation. 60(6):371-379.
Stone, K.C., Hunt, P.G., Johnson, M.H. 2004. Soybean, wheat, and forage subsurface drip irrigation using treated swine effluent. Irrigation Associations International Irrigation Technical Conference Proceedings. November 14-16, 2004, Tampa, Florida. p. 407-412.
Poach, M.E., Hunt, P.G., Reddy, G.B., Stone, K.C., Johnson, M.H., Grubbs, A. 2004. Swine wastewater treatment by marsh-pond-marsh constructed wetlands under varying nitrogen loads. Ecological Engineering. 23:165-175.
Novak, J.M., Watts, D.W., Stone, K.C. 2004. Copper and zinc accumulation, profile distribution, ane crop removal in coastal plain soils receiving long-term, intensive applications of swine manure. Transactions of the American Society of Agricultural Engineers. 47(5):1513-1522.
Sadler, E.J., Evans, R.G., Stone, K.C., Camp Jr, C.R. 2004. Potential for water conservation using precision irrigation. [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
Stone, K.C., Poach, M.E., Hunt, P.G., Reddy, G.B. 2004. Marsh-pond-marsh constructed wetland design analysis for swine lagoon wastewater treatment. Ecological Engineering. 23:127-133.
Novak, J.M., Stone, K.C., Hunt, P.G., Szogi, A.A., Watts, D.W., Johnson, M.H. 2004. Dissolved phosphorus retention and release characteristics of riparian zones and in-stream wetlands [abstract]. American Water Research Association Conference, June 28-30, 2004, Lake Tahoe, California. 2004 CDROM.
Hunt, P.G., Matheny, T.A., Stone, K.C. 2004. Denitrification in a coastal plain riparian zone contiguous to a heavily loaded swine wastewater spray field. Journal of Environmental Quality. 33:2367-2374.
Stone, K.C., Hunt, P.G., Novak, J.M., Johnson, M.H., Watts, D.W., Humenik, F.J. 2004. Stream nitrogen changes in an eastern coastal plain watershed. Journal of Soil and Water Conservation. 59(2):66-72.
Poach, M.E., Hunt, P.G., Reddy, G.B., Stone, K.C., Matheny, T.A., Johnson, M.H., Sadler, E.J. 2004. Ammonia volatilization from marsh-pond-marsh constructed wetlands treating swine wastewater. Journal of Environmental Quality 33:844-851.
NOVAK, J.M., STONE, K.C., SZOGI, A.A., WATTS, D.W., JOHNSON, M.H. DISSOLVED PHOSPHORUS RETENTION AND RELEASE FROM A COASTAL PLAIN IN-STREAM WETLAND. JOURNAL OF ENVIRONMENTAL QUALITY. 2004. v. 33, p. 394-401.
HUNT, P.G., POACH, M.E., SZOGI, A.A., REDDY, G.B., STONE, K.C., HUMENIK, F.J., VANOTTI, M.B. OPERATIONAL COMPONENTS AND FUNCTIONAL DESIGN OF CONSTRUCTED WETLANDS USED FOR TREATMENT OF SWINE WASTEWATER. PROCEEDINGS OF ANIMAL, AGRICULTURAL AND FOOD PROCESSING WASTES SYMPOSIUM. 2003. p. 124-131.
NOVAK, J.M., STONE, K.C., WATTS, D.W., JOHNSON, M.H. DISSOLVED PHOSPHORUS TRANSPORT IN STREAM FLOW FROM AN AGRICULTURALLY INTENSIVE SOUTHEASTERN COASTAL PLAIN WATERSHED. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2003. v. 46. p. 1355-1363.
POACH, M.E., HUNT, P.G., VANOTTI, M.B., STONE, K.C., MATHENY, T.A., JOHNSON, M.H., SADLER, E.J. IMPROVED NITROGEN TREATMENT BY CONSTRUCTED WETLANDS RECEIVING PARTIALLY NITRIFIED SWINE WASTEWATER. ECOLOGICAL ENGINEERING. 2003. V. 20. P. 183-197.
STONE, K.C., HUNT, P.G., NOVAK, J.M., JOHNSON, M.H. IN-STREAM WETLAND DESIGN FOR NON-POINT SOURCE POLLUTION ABATEMENT. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2003. v. 19.p. 171-175.
HUNT, P.G., POACH, M.E., REDDY, G.B., STONE, K.C., VANOTTI, M.B., HUMENIK, F.J. SWINE WASTEWATER TREATMENT IN CONSTRUCTED WETLANDS. RECYCLING OF AGRICULTURAL MUNICIPAL AND INDUSTRIAL RESIDUES. 2002. P. 315-318.
STONE, K.C., HUNT, P.G., SZOGI, A.A., HUMENIK, F.J., RICE, J.M. CONSTRUCTED WETLAND DESIGN AND PERFORMANCE FOR SWINE LAGOON WASTEWATER TREATMENT. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2002. V. 45. P. 723-730.
POACH, M.E., HUNT, P.G., SADLER, E.J., MATHENY, T.A., JOHNSON, M.H., STONE, K.C., HUMENIK, F.J., RICE, J.M. AMMONIA VOLATILIZATION FROM CONSTRUCTED WETLANDS THAT TREAT SWINE WASTEWATER. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2002. V. 45. P. 619-627.
HUNT, P.G., SZOGI, A.A., HUMENIK, F.J., RICE, J.M., MATHENY, T.A., STONE, K.C. CONSTRUCTED WETLANDS FOR TREATMENT OF SWINE WASTEWATER FROM AN ANAEROBIC LAGOON. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2002. V. 45. P. 639-647.
NOVAK, J.M., HUNT, P.G., STONE, K.C., WATTS, D.W., JOHNSON, M.H. RIPARIAN ZONE IMPACT ON PHOSPHORUS MOVEMENT TO A COASTAL PLAIN BLACK WATER STREAM. JOURNAL OF SOIL AND WATER CONSERVATION. 2002. V. 57. P. 127-133.
Gerwig, B., Stone, K.C., Williams, R.G., Watts, D.W., Novak, J.M. 2001. Using GLEAMS and REMM to estimate nutrient movement from a spray field and through a riparian forest. Transactions of the ASAE. 44(3):505-512.
Stone, K.C., Hunt, P.G., Johnson, M.H., Coffey, S.W. 1998. GLEAMS simulation of groundwater nitrate-N from row crop and swine wastewater spray fields in the eastern Coastal Plain. Transactions of the American Society of Agricultural Engineers. 41(1):51-57.