Peer-reviewed Publications
Nelson, N.O., K.L. Roozeboom, E.A. Yeager, J.R. Williams, S.E. Zerger, G.J. Kluitenberg, P.J. Tomlinson, D.S. Abel, and R.E. Carver. 2022. Agronomic and economic implications of cover crop and phosphorus fertilizer management practices for water quality improvement. J. Environ. Qual. https://doi.org/10.1002/jeq2.20427.
Carver, R.E., N.O. Nelson, K.L. Roozeboom, G.J. Kluitenberg, P.J. Tomlinson, Q. Kang, and D.S. Abel. 2022. Cover crop and phosphorus fertilizer management impacts on surface water quality from a no-till corn-soybean rotation. J. Environ. Mgmt. 301:113818 https://doi.org/10.1016/j.jenvman.2021.113818
Carver, R.E., N.O. Nelson, K.L. Roozeboom, and M.B. Kirkham. 2020. Species and Termination Method Effects on Phosphorus Loss from Plant Tissue. J. Environ. Qual. 49:97-105. https://doi.org/10.1002/jeq2.20019
Other Publications
Carver, R.E., N.O. Nelson, K.L. Roozeboom, P.J. Tomlinson, and G.J. Kluitenberg,. 2020. Phosphorus fertilizer management and cover crop effects on phosphorus loss from no-till corn and soybean. In: Proc. of the Great Plains Soil Fertility Conf., Denver, CO. March 10-11, 2020. Vol. 18 pp 30-33. https://greatplainssoilfertility.org/
Stewart, C. L.; Starr, L. M.; Nelson, N. O.; Roozeboom, K. L.; Kluitenberg, G. J.; Presley, D. R.; and Tomlinson, P. J. 2020. Soil Microbial Seasonal Community Dynamics in Response to Cover Crop and Phosphorus Fertilizer Usage in a No-Till Corn-Soybean System in 2018. Kansas Agricultural Experiment Station Research Reports: Vol. 6: Iss. 5. https://doi.org/10.4148/2378-5977.7931
Starr, L. M.; Tomlinson, P. J.; Nelson, N. O.; Roozeboom, K. L.; Kluitenberg, G. J.; and Presley, D. R. 2019. Effects of Cover Crops and Phosphorus Fertilizer Management on Soil Health Parameters in a No-Till Corn-Soybean Cropping System in Riley County, Kansas. Kansas Agricultural Experiment Station Research Reports: Vol. 5: Iss. 6. https://doi.org/10.4148/2378-5977.7802
Nelson, N.O., R.E. Carver, K.L. Roozeboom, P.J. Tomlinson , and G.J. Kluitenberg. 2018. Fertilizer management effects on phosphorus concentrations in runoff from no-till corn and soybean. In: Proc. of the Great Plains Soil Fertility Conf., Denver, CO. March 6-7, 2018. International Plant Nutrition Institute (IPNI), Brookings, SD. Vol. 17 pp 192-196. alternate link
Carver, R.E., N.O. Nelson, G.J. Kluitenberg, K.L. Roozeboom, and P.J. Tomlinson. 2018. Impacts of cover crops on phosphorus loss. In: Proc. of the Great Plains Soil Fertility Conf., Denver, CO. March 6-7, 2018. International Plant Nutrition Institute (IPNI), Brookings, SD. Vol. 17 pp 242-247. alternate link
Carver, R.E., N.O. Nelson, G.J. Kluitenberg, K.L. Roozeboom, and P.J. Tomlinson. 2017. Fertilizer management and cover crop effects on phosphorus use efficiency, environmental efficiency and crop yield. In: Proc. of the North Central Extension-Industry Soil Fertility Conference. Nov. 15-16, 2017. Des Moines, IA. Vol. 33 pp 133-143. alternate link
R.E. Carver, N.O. Nelson, D.S. Abel, K.L. Roozeboom, G.J. Kluitenberg, P.J. Tomlinson, and J.R. Williams. 2017. Impact of Cover Crops and Phosphorus Fertilizer Management on Nutrient Cycling in No-tillage Corn-Soybean Rotation. Kansas Agricultural Experiment Station Research Reports: vol. 3: iss. 3. https://doi.org/10.4148/2378-5977.1396
Theses and Dissertations
Bourns, M.A. 2024. Improving the sustainability of phosphorus fertility management in Kansas. Ph.D. Dissertation. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/44689.
Haputhanthri Gamage, K.H. 2023. Sustainable phosphorus management: Reuse of recovered phosphorous in agriculture and Impact of agricultural management practices on phosphorus speciation. Ph.D. dissertation. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/43556.
Pasket, A. 2023. Seasonal dynamics and impact of P fertilizer treatments and cover crops on soil health indicators in a no-till corn-soybean system. Ph.D. dissertation. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/43548.
Kortokrax, A.R. 2023. Landscape processes and management practices affecting phosphorous loss. M.S. thesis. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/43275.
Stahl, K. 2023. The effect of cover crops and P management strategies on soil physical properties and soil organic carbon. M.S. thesis. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/43017.
Carver, R.E. 2022. Cover crop and phosphorus fertilizer management implications for water quality in a no-till corn-soybean rotation. Ph.D. Dissertation. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/42137.
Starr, L.M. 2021. Linkages between cover crops, phosphorus fertilizer management, soil health, and phosphorus bioavailability in replicated research watersheds. Ph.D. dissertation. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/40982.
Stewart, C.L. 2021. Soil microbial community dynamics in response to management. Ph.D. dissertation. Kansas State Univ. Manhattan, KS. https://hdl.handle.net/2097/41271.
Carver, R.E. 2018. Cover crop and phosphorus fertilizer management effects on phosphorus loss and nutrient cycling. M.S. thesis. Kansas State Univ. Manhattan, KS. http://hdl.handle.net/2097/39057.
Abel, D.S. 2017. Cover crop effects on soil moisture and water quality. M.S. thesis. Kansas State Univ. Manhattan, KS. http://hdl.handle.net/2097/34650.
Presentations
Moylan, S.E., Nelson, N.O., Kluitenberg, G.M., Sheshukov, A., Bigham, K., Tomlinson, P.J., Roozeboom, K.L., Presley, D.R., and Hettiarachchi, G.M. (2024) Understanding cover crop effects on water quality under intense precipitation. Governor’s Conference on the Future of Water in Kansas. November 13-14, 2024. Manhattan, KS.
Bourns, M. A., Yeager, E., Nelson, N. O., Hettiarachchi, G. M., Kluitenberg, G. J., Roozeboom, K. L., Presley, D. R., & Tomlinson, P. J. (2024) Phosphorus Drawdown: A Benefit or Detriment to Farmers? [Abstract]. ASA, CSSA, SSSA International Annual Meeting, San Antonio, TX. https://scisoc.confex.com/scisoc/2024am/meetingapp.cgi/Paper/158259.
Khosh Manzar, E., Nelson, N. O., & Hettiarachchi, G. M. (2024) A Need for Advanced Analytical Techniques for Understanding P and Fe Speciation in Integrated Cover Cropping and P Fertilization Management System [Abstract]. ASA, CSSA, SSSA International Annual Meeting, San Antonio, TX. https://scisoc.confex.com/scisoc/2024am/meetingapp.cgi/Paper/158530.
Sakib, T. U., Nelson, N. O., Raugewitz, S., Hettiarachchi, G. M., Kluitenberg, G. J., Presley, D. R., Roozeboom, K. L., & Tomlinson, P. J. (2024) Improving Surface Water Quality in Cover Cropping Systems through Sufficiency Phosphorus Management [Abstract]. ASA, CSSA, SSSA International Annual Meeting, San Antonio, TX. https://scisoc.confex.com/scisoc/2024am/meetingapp.cgi/Paper/157676.
Pasket, A., Nelson, N. O., Hettiarachchi, G. M., Kluitenberg, G. J., Roozeboom, K. L., Presley, D. R., & Tomlinson, P. J. (2024) Effect of Sampling Depth on Dynamic Biological Soil Health Indicators in a Three-Year No-till Corn-Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, San Antonio, TX. https://scisoc.confex.com/scisoc/2024am/meetingapp.cgi/Paper/159587.
Pasket, A., Nelson, N. O., Hettiarachchi, G. M., & Tomlinson, P. J. (2023) Seasonal Dynamics and Impact of Phosphorus Fertilizer Treatments and Cover Crops on Soil Health Indicators in a No-till Corn-Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, St. Louis, MO. https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/149333
Bourns, M. A., Nelson, N. O., Roozeboom, K. L., Tomlinson, P. J., Kluitenberg, G. J., & Hettiarachchi, G. M. (2023) Efficiencies of Phosphorus Fertilizer Strategies Under Cover Crop Management [Abstract]. ASA, CSSA, SSSA International Annual Meeting, St. Louis, MO. https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/149596
Kumaragamage, D., Nelson, N. O., Hettiarachchi, G. M., & Haputhanthri Gamage, K. H. (2023) Cover Crops and Phosphorus Fertilizer Management Practices Influences Phosphorus Fractions in Soils [Abstract]. ASA, CSSA, SSSA International Annual Meeting, St. Louis, MO. https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/152040
Khosh Manzar, E., & Nelson, N. O. (2023) Changes in Soil Phosphorus Pools and Lability Promoted By P Fertilization and Cover Cropping [Abstract]. ASA, CSSA, SSSA International Annual Meeting, St. Louis, MO. https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/150631
Raugewitz, S., Nelson, N. O., Kluitenberg, G. J., Bigham, K., Sheshukov, A., Roozeboom, K. L., Tomlinson, P. J., Hettiarachchi, G. M., & Presley, D. R. (2023) Cover Crop Effects on Peak Flow and Total Volume for Edge-of-Field Runoff [Abstract]. ASA, CSSA, SSSA International Annual Meeting, St. Louis, MO. https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/150278
Sakib, T. U., Nelson, N. O., Hettiarachchi, G. M., Moorberg, C. J., & Raugewitz, S. (2023) Phosphorus Sorption Dynamics in Soil As Influenced By Cover Crops Species and Phosphorus Input [Abstract]. ASA, CSSA, SSSA International Annual Meeting, St. Louis, MO. https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/149680
Stahl, K., Presley, D. R., Kluitenberg, G. J., Roozeboom, K. L., Tomlinson, P. J., Hettiarachchi, G. M., & Nelson, N. O. (2022) Evaluating Cover Crops Effect on Soil Physical Properties in a Long-Term Cover Crop Study in Kansas [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143960
Bourns, M. A., Nelson, N. O., Carver, E., Roozeboom, K. L., Kluitenberg, G. J., & Tomlinson, P. J. (2022) Phosphorus Cycling and Efficiencies in a No-till System, with Cover Crops. [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142602
Pasket, A., Nelson, N. O., Hettiarachchi, G. M., Kang, Q., & Tomlinson, P. J. (2022) Seasonal Dynamics and Impact of Phosphorus Fertilizer Treatments and Cover Crops on Soil Health Indicators [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143821
Sakib, T. U., Nelson, N. O., Raugewitz, S., Presley, D. R., Hettiarachchi, G. M., Roozeboom, K. L., Kluitenberg, G. J., & Tomlinson, P. J. (2022) Runoff Water Quality As Influenced By Cover Crop Use and Sufficiency Phosphorus Fertilization Strategy in a No-Tilled Corn-Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143291
Haputhanthri Gamage, K. H., Hettiarachchi, G. M., Nelson, N. O., Roozeboom, K. L., Kluitenberg, G. J., & Tomlinson, P. J. (2022) Implications of Management Practices on Sediment and Soil Phosphorus Speciation in No-till Corn and Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143207
KhoshManzar, E., Nelson, N. O., Tomlinson, P. J., Hettiarachchi, G. M., Kluitenberg, G. J., Presley, D., & Roozeboom, K. L. (2022) The Effect of Winter Cover Crops and Phosphorus Fertilizer Management on Organic and Inorganic P Pools in a No-till Corn-Soybean System [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/144702
Nelson, N. O., Yeager, E., Williams, J. R., Roozeboom, K. L., Zerger, S. E., Kluitenberg, G. J., Tomlinson, P. J., Abel, D., & Carver, E. (2022) Economics of Implementing Cover Crop and Phosphorus Fertilizer Management BMPs for Water Quality Improvement [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Baltimore, MD. https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/142185
Stahl, K., D. Presley, G. Kluitenberg, K. Roozeboom, P. Tomlinson, G. Hettiarachchi, and N. Nelson. 2022. Evaluating differencces in soil properties and management on a long-term watershed study in Kansas. 77th SWCS International Annual Conference. July 31-August 3, 2022. Denver, Colorado.
Nelson, N.O., R.E. Carver, K.L. Roozeboom, G.J. Kluitenberg, P.J. Tomlinson, Q. Kang, and D.S. Abel. 2021. Water quality benefits from combining best management practices for cover crops and phosphorus fertilizer in no-till corn-soybean cropping systems. Governor’s Conference on the Future of Water in Kansas, November 18, 2021. Virtual Event. https://youtu.be/Bzwu3t5JRnQ?t=1564
Carver, E., Nelson, N. O., Hettiarachchi, G. M., Blair, J. M., & Tomlinson, P. J. (2021) Selecting Winter Cover Crops to Promote Soil Health and Improve Water Quality [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/135426.
Haputhanthri Gamage, K. H., Hettiarachchi, G. M., Nelson, N. O., Roozeboom, K. L., Kluitenberg, G. J., & Tomlinson, P. J. (2021) Phosphorus Fertilizer and Cover Crop Management Affect Sediment Phosphorus Speciation in No-till Corn and Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/133265.
Nelson, N. O., Tomlinson, P. J., Kluitenberg, G. J., Schnarr, C., & Presley, D. R. (2021) Cover Crop Effects on Edge-of-Field Water Quality: An on-Farm Demonstration Study [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/136962.
Kortokrax, A., Nelson, N.O., Roozeboom, K.L., Tomlinson, P.J., Presley, D.R., Sweeney, D.W., Pierzynski, G.M., Sheshukov, A., Bhandari, A. (2021) Kansas Phosphorus (P) Index: Identifying a Runoff Estimation Method That Works Best within a Component P Index. [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/136025.
Zerger, S. E., Nelson, N. O., & Roozeboom, K. L. (2021) Agronomic Implications of Cover Crop and Phosphorus Fertilizer BMPs for Water Quality Improvement [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/135785.
Pasket, A., Nelson, N. O., Kang, Q., & Tomlinson, P. J. (2021) Comparison of Enzyme Activities on Moist Vs. Air-Dried Soil in a Corn-Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/136431.
Carver, E., Nelson, N. O., Roozeboom, K. L., Kluitenberg, G. J., & Tomlinson, P. J. (2021) Cover Crop and Phosphorus Fertilizer Management Effects on Soil Fertility in a No-till Corn-Soybean Rotation [Abstract]. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT. https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/135849.
Nelson, N.O., E. Carver, P. Tomlinson, K. Roozeboom, G. Kluitenberg, and D. Presley. 2021. Phosphorus and Cover Crops in Kansas. Minnesota Agricultural Water Resource Center virtual Nutrient Management Conference. Feb 16, 2021. Virtual webinar. Presentation recording available at https://www.youtube.com/watch?v=i-XS8ok8VRE.
Nelson, N.O., E. Carver, P.J. Tomlinson, K.L. Roozeboom, G.J. Kluitenberg, D.R. Presley, J.R. Williams, and E. Yeager. 2020. Balancing Agronomic and Environmental Outcomes with the 4Rs of Phosphorus Management. 2020 ASA-CSSA-SSSA International Annual Meeting. Nov. 9-13. Virtual. https://scisoc.confex.com/scisoc/2020am/prelim.cgi/Paper/125328
Carver, E., N.O. Nelson, K.L. Roozeboom, G.J. Kluitenberg, P.J. Tomlinson, and Q Kang. 2020. Cover Crop and 4R Nutrient Management System Effects on Annual Sediment and Phosphorus Loss. 2020 ASA-CSSA-SSSA International Annual Meeting. Nov. 9-13. Virtual. https://scisoc.confex.com/scisoc/2020am/prelim.cgi/Paper/127643
Nelson, N.O. 2020. Water Quality Impacts of Cover Crops and Fertilizer Management. Phosphorus Management Workshop Webinar. American Farmland Trust, Illinois Sustainable Ag Partnership, and Upper Macoupin Creek Watershed Partnership. September 3, 2020. https://www.youtube.com/watch?v=NPNRSNXjK9U&feature=youtu.be
Stewart, C., L. Starr, P.J. Tomlinson, N.O. Nelson, D.R. Presley, G.J. Kluitenberg, and K.L. Roozeboom. 2019. Seasonal Effects of Cover Crops and Phosphorus Fertilizer Management on PLFA and Microbial Biomass in a No-till Corn-Soybean Cropping System in North Eastern Kansas. 2019 ASA-CSSA-SSSA International Annual Meeting. Nov. 10-13. San Antonio, TX. https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120413.
Starr, L., C. Stewart, P.J. Tomlinson, N.O. Nelson, D.R. Presley, G.J. Kluitenberg, and K.L. Roozeboom. 2019. Seasonal Effects of Cover Crops and Phosphorus Fertilizer Management on Soil Health Parameters in a No-till Corn-Soybean Cropping System in North Eastern Kansas. 2019 ASA-CSSA-SSSA International Annual Meeting. Nov. 10-13. San Antonio, TX. https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120407.
Tomlinson, P.T, and N.O. Nelson. 2019. Connecting Environmental Aspects of Nutrient Management and Conservation Planning. 74th SWCS international annual conference. July 28-31, 2019. Pittsburg, PA.
Carver, R.E., N.O. Nelson, G.J. Kluitenberg, K.L. Roozeboom, and P.J. Tomlinson. 2019. 4R phosphorus fertilizer management and cover crop effects on phosphorus loss. 4R Nutrient Stewardship Summit, June 10-11, 2019. Cleveland, Ohio.
Nelson, N.O., P.J. Tomlinson, G.J. Kluitenberg, and K.L. Roozeboom. 2019. Use of Edge-of-Field Monitoring to Determine Agricultural Impacts on Surface Water Quality. NRCS Edge-of-field monitoring workshop. April 23, 2019, Kansas Department of Agriculture Office, Manhattan, KS.
Nelson, N.O., R.E. Carver, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, and D. Abel. 2019. Using Cover Crops and Fertilizer Management to Reduce Sediment and Phosphorus Loss. Soil Health and Water Quality Webinar. The North Central Region Water Network, March 13, 2019. https://www.youtube.com/watch?v=GDe0Yh_tqsE&feature=youtu.be
Nelson, N.O. 2019. 4R Nutrient Stewardship and Water Quality: Why Is It Important and What Can I Do About It? 2019 YF&R Leaders Conference, January 26, 2019. Manhattan, KS.
N.O. Nelson, Carver, E., K.L. Roozeboom, P.J. Tomlinson, and G.J. Kluitenberg. 2019. Cover crop and fertilizer management effects on surface water quality and phosphorus loss. SSSA International Soils Meeting. Jan. 6-9, 2019. San Diego, CA. https://scisoc.confex.com/scisoc/2019sssa/meetingapp.cgi/Paper/116731.
Nelson, N. 2018. Cover crop impacts on sediment and nutrient movement. Oklahoma State University Winter Crops School. Dec. 11-12, 2018. Stillwater, OK.
Starr, L., P.J. Tomlinson, N.O. Nelson, D.R. Presley, G.J. Kluitenberg, and Kr. Roozeboom. 2018. Soil Microbial Biomass and Enzyme Response to Cover Crop and P Fertilizer Management in a No-till, Corn-Soybean Rotation. ASA-CSSA International Annual Meeting. Nov. 4-7, 2018. Baltimore, MD. https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/113015.
Carver, E., N.O. Nelson, M.B. Kirkham, and K.L. Roozeboom. 2018. Species and Termination Method Effects on Phosphorus Loss from Plant Tissue. ASA-CSSA International Annual Meeting. Nov. 4-7, 2018. Baltimore, MD. https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/112857.
Carver, R.E., N.O. Nelson, G.J. Kluitenberg, K.L. Roozeboom, and P.J. Tomlinson. 2018. Cover Crop and Phosphorus Fertilizer Placement Effects on Phosphorus Loss. ASA-CSSA International Annual Meeting. Nov. 4-7, 2018. Baltimore, MD. https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/112725
Nelson, N. 2018. Water quality concerns and solutions for Kansas. NRES Guest Lecture. Sept. 27, 2018. Manhattan, KS. https://youtu.be/vit0gfTLKaw
Nelson, N. 2018. What are the water quality benefits of no-till and cover crops? Soil Health Coalition, July 18-19, 2018. Manhattan, KS.
Nelson, N.,R.E. Carver, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, and D. Abel. 2018. Minimizing Phosphorus Loss with 4R Stewardship & Cover Crops. 4R Nutrient Stewardship Summit, June 11-12, 2018. Des Moines, IA.
Nelson, N.O., R.E. Carver, K.L. Roozeboom, P.J. Tomlinson , and G.J. Kluitenberg. 2018. Fertilizer management effects on phosphorus concentrations in runoff from no-till corn and soybean. Great Plains Soil Fertility Conf., Denver, CO. March 6-7, 2018.
Carver, R.E., N.O. Nelson, G.J. Kluitenberg, K.L. Roozeboom, and P.J. Tomlinson. 2018. Impacts of cover crops on phosphorus loss. Great Plains Soil Fertility Conf., Denver, CO. March 6-7, 2018.
Carver, R.E., N.O. Nelson, G.J. Kluitenberg, K.L. Roozeboom, and P.J. Tomlinson. 2017. Fertilizer management and cover crop effects on phosphorus use efficiency, environmental efficiency and crop yield. North Central Extension-Industry Soil Fertility Conference. Nov. 15-16, 2017. Des Moines, IA.
Nelson, N.O., R.E. Carver, K. Roozeboom, P. Tomlinson, and G. Kluitenberg. 2017. Improving water quality with cover crops and fertilizer management during transition to no-till production.Governor’s Conference on the Future of Water in Kansas. Nov. 8-9, 2017. Manhattan, KS.
Nelson, N.O., R.E. Carver, K. Roozeboom, G. Kluitenberg, P. Tomlinson, and J.R. Williams. 2017. Cover Crop Impacts on Runoff Hydrographs and Edge-of-Field Surface Water Quality. ASA-CSSA-SSSA International Annual Meeting. Oct. 22-25, 2017. Tampa, FL.
Carver,R.E., N.O. Nelson, G. Kluitenberg, K. Roozeboom, P. Tomlinson, and J.R. Williams. 2017. Environmental and Agronomic Efficiency of Phosphorus in No-Tillage Corn-Soybean Rotation with Cover Crops. ASA-CSSA-SSSA International Annual Meeting. Oct. 22-25, 2017. Tampa, FL.
Nelson, N.O., R.E. Carver, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, and D. Abel. 2017. Phosphorus management and cover crop impacts on water quality and environmental efficiency in no-till soybean. 4R Nutrient Stewardship Summit, June 12-13, 2017, Minneapolis, MN.
Nelson, N.O. 2017. 4Rs of N and P (Right Source, Rate, Time, Placement). 2017 Agricultural Equipment Technology Conference, American Society of Agricultural and Biological Engineers. February 13-15, 2017. Louisville, KY.
Nelson, N.O., K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, D. Able, and R.E. Carver. 2017. Exploring Management Options for Reducing Phosphorus Loss. The Fertilizer Institute Annual Meeting. February 6-8, 2017. Scottsdale, AZ.
Patrignani, A., E.L. Bush, L. Feng, G.J. Kluitenberg, N.O. Nelson, and T.E. Ochsner. 2016. Improving soil moisture monitoring networks by implementing lab and field sensor calibration protocols. ASA-CSSA-SSSA International Annual Meeting. Nov. 6-9, 2016. Phoenix, AZ.
Abel, D., N.O. Nelson, K. Roozeboom, P. Tomlinson, and G. Kluitenberg. 2016. Cover Crop and Fertilizer Management Impacts on Water Quality. ASA-CSSA-SSSA International Annual Meeting. Nov. 6-9, 2016. Phoenix, AZ.
Nelson, N., D. Able, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, and P. Barnes. 2016. Minimizing Phosphorus Loss with 4R Nutrient Stewardship & Cover Crops.4R Nutrient Stewardship Summit, June. 15-16, 2016. Indianapolis, IN.
Nelson, N. 2016. Can Cover Crops Reduce Phosphorus Loss from Surface-applied Fertilizer? Natural Resources and Environmental Sciences Secondary Major Seminar Series. Feb. 18, 2016. Manhattan, KS.
Nelson, N., D. Able, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, and P. Barnes. 2015. Can Cover Crops Reduce Phosphorus Loss from Surface-applied Fertilizer? Soil and Water Conservation Society Nutrient Management and Edge of Field Monitoring Conference, Dec. 1-3, 2015. Memphis, TN.
Abel, D., N.O. Nelson, K. Roozeboom, G. Kluitenberg, P. Tomlinson, J. Williams, and P. Barnes. 2015. Cover Crop and Fertilizer Management to Improve Water Quality. ASA-CSSA-SSSA International Annual Meeting. Nov. 15-18, 2015. Minneapolis, MN.
Bush, E.L., G.J. Kluitenberg, and N.O. Nelson. 2015. Laboratory Calibration of a Water Content Reflectometer. ASA-CSSA-SSSA International Annual Meeting. Nov. 15-18, 2015. Minneapolis, MN.
Nelson, N., K. Roozeboom, P. Tomlinson, G. Kluitenberg, P. Barnes, and J. Williams. 2015. Minimizing Phosphorus Loss with 4R Nutrient Stewardship & Cover Crops. 4R Nutrient Stewardship Summit, May 12, 2015, Washington D.C.
