Manure Nutrients

Extension Publications

• Recommended Methods of Manure Analysis
• NCR-346 Applying Manure to Alfalfa
• PM 3014 How to Interpret Your Manure Analysis
• PM 1558 Management Practices: How to Sample Manure for Nutrient Analysis
• PM 1609 You Can't Afford Not to Haul Manure
• PM 1941 Calibration and Uniformity of Solid Manure Spreaders
• PMR1003 Using Manure Nutrients for Crop Production

Presentations

• Managing manure nutrients for crop production. J. DeJong. 2020. Soil fertility and nutrient management short course. Iowa State University Extension and Outreach, Ames. (Part 1)
• Managing manure nutrients for crop production. J. DeJong. 2020. Soil fertility and nutrient management short course. Iowa State University Extension and Outreach, Ames. (Part 2)
• Manure nitrogen availability and supply. Sawyer, J. 2011. Presentation for the Commercial Manure Applicator Program. Iowa State Univ. Ext.

Newsletter Articles

• View newsletter articles 2015 and earlier -- click here to expand

  • What are average manure nutrient analysis values? (1/2009)
  • Liquid swine manure nitrogen availability (1/2009)
  • Using layer manure for crop production (11/2008)
  • What is meant by crop availability of manure nutrients? (1/2008)
  • Is manure the same as fertilizer as a crop nutrient resource? (3/2007)

Conference Proceedings and Reports

• Andersen, D. 2021 Impact of uncertainty on selecting manure application rates: The science of manure mystery. p. 79-83. In 32nd Integrated Crop Management Conf. Proceedings. 1-2 Dec. Iowa State Univ. Extension and Outreach.
• Dougherty, B., C. Pederson, M. Helmers, M. Soupir, D. Andersen, A.P. Mallarino, and J. Sawyer. 2019. Drainage Water Quality impacts of agricultural management practices: Effect of manure application timing and cover crops on yields in 2016-2018. Iowa State Univ. Research and Demonstration Farms Progress Reports 2018. RFR-A1899.

  View conference proceedings and reports 2015 and earlier -- click here to expand

  • Mallarino, A.P., and M.U. Haq. 2014. Crop availability of phosphorus in beef cattle manure for corn and soybean. Northern Research and Demonstration Farm Annual Reports. ISRF13-22, RFR-A1391. Iowa State Univ., Ames, IA.
  • Mallarino, A.P., and M.U. Haq. 2014. Phosphorus availability in beef cattle manure for corn and soybean. Armstrong and Neely-Kinyon Research and Demonstration Farms Annual Reports. ISRF13-12, RFR-A1386. Iowa State Univ., Ames, IA.
  • Mallarino, A.P., and M.U. Haq. 2014. Availability of phosphorus in beef cattle manure for corn and soybean. Northwest Research Farm and Allee Demonstration Farm Annual Reports. ISRF13-29,31, RFR-A1363. Iowa State Univ., Ames, IA.
    
  • Mallarino, A.P., and M.U. Haq. 2007. On-farm demonstration of the impact of phosphorus soil-test levels and management on phosphorus loss with surface runoff. Final progress report for water quality project.
  • Mallarino, A.P., J.E. Sawyer, D. Kaiser, D. Ruiz-Diaz, B. Allen, D. Barker, and D. Wittry. 2007. Study of nitrogen and phosphorus transformations from poultry manure and fertilizer using soil incubation and soil testing: A complement to ongoing field demonstrations. Report to the Iowa Egg Council.
  • Killorn, R., J. Moore, and R. Unger. 2007. Corn grain response to nitrogen in liquid swine manure and urea in Lyon County, Iowa, 2006-2007. Final project report. Iowa State Univ., Dept. of Agronomy, Ames.
  • Mallarino, A.P., J.E. Sawyer, D. Kaiser, D. Ruiz-Diaz, B. Allen, D. Barker, and D. Wittry. 2007. Demonstration of agronomic and environmentally sound utilization of nitrogen and phosphorus in poultry manure. Final project report to the Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation, IFLM program.
  • Mallarino, A.P., M.M. Barbazan, and D.J. Wittry. 2005. Swine manure phosphorus use for crop production in Iowa. p.91-97. In North Central Extension-Industry Soil Fertility Conference. Proceedings. Vol. 21. Des Moines, IA.
  • Mallarino, A.P., B.L. Allen, and M.U. Haq. 2005. Manure management impacts on phosphorus loss with surface runoff and on-farm phosphorus index implementation. An overview of ongoing research. In Agriculture and the Environment Conf. Proceedings [CD-ROM]. March 8-9, 2005. Iowa State Univ. Extension, Ames, IA.
  • Sawyer, J., A. Mallarino, and J. Lundvall. 2005. Swine manure nutrient utilization project. Final project report to the Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation, IFLM program.
  • Mallarino, A., J. Sawyer, D. Wittry, D. Barker, D. Kaiser, and D. Ruiz-Diaz. 2005. Demonstration of agronomic and environmentally sound utilization of nitrogen and phosphorus in poultry manure. Crop year 2004 project report to the Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation, IFLM program.
  • Lorimor, J, and J.E. Sawyer. 2004. Swine USA anaerobic digester performance analysis. Part 1. 12 p. Final project report, Iowa NRCS.
  • Loria, E.R., J.E. Sawyer, and J.C. Lorimor. 2004. Use of anaerobically digested swine manure in corn production. Part 2. 32 p. Final project report, Iowa NRCS.
  • Sawyer, J., A. Mallarino, and J. Lundvall. 2004. Swine manure nutrient utilization project. In Proc. Agriculture and the Environment Conf. 1-2 March. Iowa State Univ., Ames, IA
  • Sawyer, J.E., J.P. Lundvall, S. Rakshit, and A.P. Mallarino. 2003. Liquid swine manure nitrogen utilization for crop production. p. 95-112. In Proc. 15th Annual Integrated Crop Manag. Conf., Ames, IA. 3-4 Dec. 2003. Iowa State Univ., Ames, IA.
  • Wittry, D.J., and A.P. Mallarino. 2002. Use of variable-rate technology for agronomic and environmental phosphorus-based liquid swine manure management. In P.C. Robert et al. (ed.). Sixth Intl. Conf. on Site-Specific Management for Agricultural Systems. Proceedings. CD-ROM. July14-17. Minneapolis, MN. ASA, CSSA, SSSA, Madison, WI.
  • Sawyer, J.E. 2001. Nitrogen fertilizer and swine manure application to soybean. p. 33-44. In Proc. 13th Annual Integrated Crop Manag. Conf., Ames, IA. 5-6 Dec. 2001. Iowa State Univ., Ames, IA.

Featured Publication

Links

• Iowa Manure Management Action Group
• Corn Nitrogen Rate Calculator
• Manure Applicator Certification Program
• The Manure Scoop Blog

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