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Economics of Pre-Plant, Topdress, and Variable Rate Nitrogen Application in Winter Wheat

Author

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  • Boyer, Christopher N.
  • Brorsen, B. Wade
  • Solie, John B.
  • Arnall, D. Brian
  • Raun, William R.

Abstract

Past research about the efficiency of nitrogen application in winter wheat (Triticum aestivum L.) based on source and timing has produced inconsistent results. The majority of the literature used data from few locations over short time periods. This study used a unique data set of yields and nitrogen quantities from 2002-2009 at ten different locations in Oklahoma, USA. The objective of this research was to determine wheat yield response for granular pre-plant, uniform foliar topdress, and variable rate foliar topdress. Topdress liquid nitrogen had a 19% higher NUE than pre-plant urea, and was the most profitable source of nitrogen.

Suggested Citation

  • Boyer, Christopher N. & Brorsen, B. Wade & Solie, John B. & Arnall, D. Brian & Raun, William R., 2010. "Economics of Pre-Plant, Topdress, and Variable Rate Nitrogen Application in Winter Wheat," 2010 Annual Meeting, July 25-27, 2010, Denver, Colorado 61153, Agricultural and Applied Economics Association.
    • Handle: RePEc:ags:aaea10:61153
    DOI: 10.22004/ag.econ.61153
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    Cited by:

    1. Boyer, Christopher N. & Larson, James A. & Roberts, Roland K. & McClure, Angela T. & Tyler, Donald D. & Zhou, Vivian, 2013. "Stochastic Corn Yield Response Functions to Nitrogen for Corn after Corn, Corn after Cotton, and Corn after Soybeans," Journal of Agricultural and Applied Economics, Cambridge University Press, vol. 45(4), pages 669-681, November.

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    Keywords

    Crop Production/Industries;

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