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Precision Nitrogen Fertilization Technology with Micro Grids

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  • Biermacher, Jon T.
  • Epplin, Francis M.
  • Brorsen, B. Wade
  • Solie, John B.
  • Raun, Bill

Abstract

Sensor-based precision fertilizer technologies are being developed and researched by production scientists. One such technology uses normalized difference vegetation index (NDVI) reflectance measurements of growing winter wheat plants and a nitrogen fertilizer optimization algorithm (NFOA) to determine nitrogen requirement necessary for plants to reach their yield plateau. A number of precision fertilizer application systems that use this technology are considered in this paper. A linear response stochastic plateau wheat yield function conditional on NDVI reflectance measurements is estimated and used within an expected profit-maximization framework to estimate upper bounds on the returns from the precision nitrogen application systems. The on-the-go precision system that assumes perfect information was approximately $7 per acre more profitable than the convention of applying 80 pounds of nitrogen prior to planting in the fall. The whole-field precision system was break-even with conventional methods.

Suggested Citation

  • Biermacher, Jon T. & Epplin, Francis M. & Brorsen, B. Wade & Solie, John B. & Raun, Bill, 2006. "Precision Nitrogen Fertilization Technology with Micro Grids," 2006 Annual meeting, July 23-26, Long Beach, CA 21046, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    • Handle: RePEc:ags:aaea06:21046
    DOI: 10.22004/ag.econ.21046
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    References listed on IDEAS

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    Cited by:

    1. Haque, Mohua & Biermacher, Jon T. & Kering, Maru K. & Guretzky, John A., 2012. "Managing Nitrogen and Phosphorus Nutrients for Switchgrass Produced for Bioenergy Feedstock in Phosphorus-Deficient Soil," 2012 Annual Meeting, February 4-7, 2012, Birmingham, Alabama 119765, Southern Agricultural Economics Association.

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