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Economic And Environmental Feasibility Of Variable Rate Nitrogen Fertilizer Application With Carry-Over Effects

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  • Watkins, K. Bradley
  • Lu, Yao-Chi
  • Huang, Wen-Yuan

Abstract

This study evaluates the long-term profitability and environmental impacts of variable rate versus uniform nitrogen application in seed potato production with nitrogen carry-over effects included. Seed potato yields were simulated for four different areas of a field using the EPIC crop growth model. A dynamic optimization model was used to determine optimal steady-state nitrogen levels for each area and the entire field. Average nitrogen losses and economic returns were evaluated for both uniform and variable rate nitrogen fertilizer. Variable rate nitrogen application was found to be unprofitable for the field when compared to uniform nitrogen application. Nitrogen losses for the field were about the same under both strategies. The results indicate greater economic and environmental benefits may be achieved by splitting nitrogen applications, especially for areas of the field exhibiting low yield productivity.

Suggested Citation

  • Watkins, K. Bradley & Lu, Yao-Chi & Huang, Wen-Yuan, 1998. "Economic And Environmental Feasibility Of Variable Rate Nitrogen Fertilizer Application With Carry-Over Effects," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 23(2), pages 1-26, December.
  • Handle: RePEc:ags:jlaare:31207
    DOI: 10.22004/ag.econ.31207
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    References listed on IDEAS

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    1. Jeffrey A. Krautkraemer & G. C. van Kooten & Douglas L. Young, 1992. "Incorporating Risk Aversion into Dynamic Programming Models," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 74(4), pages 870-878.
    2. Taylor, C. Robert, 1983. "Certainty Equivalence For Determination Of Optimal Fertilizer Application Rates With Carry-Over," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 8(1), pages 1-4, July.
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    Cited by:

    1. Klaus Moeltner & A. Ford Ramsey & Clinton L. Neill, 2021. "Bayesian Kinked Regression with Unobserved Thresholds: An Application to the von Liebig Hypothesis," American Journal of Agricultural Economics, John Wiley & Sons, vol. 103(5), pages 1832-1856, October.
    2. Isik, Murat & Khanna, Madhu & Winter-Nelson, Alex, 2001. "Sequential Investment In Site-Specific Crop Management Under Output Price Uncertainty," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 26(1), pages 1-18, July.
    3. Zhou, Xia “Vivian” & Clark, Christopher D. & Lambert, Dayton M. & English, Burton C. & Larson, James A. & Boyer, Christopher N., 2015. "Biomass supply and nutrient runoff abatement under alternative biofuel feedstock production subsidies," Agricultural Systems, Elsevier, vol. 139(C), pages 250-259.
    4. Harper, David C. & Lambert, Dayton M. & Larson, James A. & Gwathmey, C. Owen, 2012. "Potassium carryover dynamics and optimal application policies in cotton production," Agricultural Systems, Elsevier, vol. 106(1), pages 84-93.
    5. Romain, Robert & Lambert, Rémy & Michaud, Renée & Lapointe, Claude, 2002. "Impact des variables et pratiques agronomiques sur la réduction des dommages: le cas de la pomme de terre au Québec," Cahiers d'Economie et de Sociologie Rurales (CESR), Institut National de la Recherche Agronomique (INRA), vol. 64.
    6. Baerenklau, Kenneth A. & Nergis, Nermin, 2006. "Controlling Dairy Nitrogen Emissions: A Dynamic Analysis of Herd Adjustment, Ground Water Discharges, and Air Emissions," 2006 Annual meeting, July 23-26, Long Beach, CA 21448, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    7. Stefanini, Melissa & Larson, James A. & Boyer, Christopher N. & Cho, Seong-Hoon & Lambert, Dayton & Yin, Xinhua, 2015. "Profitability of Variable-Rate Technology in Cotton Production," 2015 Annual Meeting, January 31-February 3, 2015, Atlanta, Georgia 196995, Southern Agricultural Economics Association.
    8. Glenn Sheriff, 2005. "Efficient Waste? Why Farmers Over-Apply Nutrients and the Implications for Policy Design," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 27(4), pages 542-557.
    9. Isik, Murat & Khanna, Madhu & Winter-Nelson, Alex, 2000. "Sequential Investment In Site-Specific Crop Management Under Output Price Uncertainty: Implications For Nitrogen Pollution Control," 2000 Annual meeting, July 30-August 2, Tampa, FL 21875, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    10. Sihvonen, Matti & Pihlainen, Sampo & Lai, Tin-Yu & Salo, Tapio & Hyytiäinen, Kari, 2021. "Crop production, water pollution, or climate change mitigation—Which drives socially optimal fertilization management most?," Agricultural Systems, Elsevier, vol. 186(C).
    11. Larkin, Sherry L. & Perruso, Larry & Marra, Michele C. & Roberts, Roland K. & English, Burton C. & Larson, James A. & Cochran, Rebecca L. & Martin, Steven W., 2005. "Factors Affecting Perceived Improvements in Environmental Quality from Precision Farming," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 37(3), pages 1-12, December.
    12. Robert Romain & Rémy Lambert & Renée Michaud & Claude, Lapointe, 2002. "Impact des variables et pratiques agronomiques sur la réduction des dommages: le cas de la pomme de terre au Québec," Cahiers d'Economie et Sociologie Rurales, INRA Department of Economics, vol. 64, pages 57-82.
    13. Robert Romain & Rémy Lambert & Renée Michaud & Claude Lapointe, 2002. "Impact des variables et pratiques agronomiques sur la réduction des dommages: le cas de la pomme de terre au Québec," Post-Print hal-01201029, HAL.
    14. Khanna, Madhu & Isik, Murat & Winter-Nelson, Alex, 2000. "Investment in site-specific crop management under uncertainty: implications for nitrogen pollution control and environmental policy," Agricultural Economics, Blackwell, vol. 24(1), pages 9-21, December.
    15. Almas, Lal K. & Amosson, Stephen H. & Marek, Thomas H. & Colette, W. Arden, 2003. "Economic Feasibility Of Precision Irrigation In The Northern Texas High Plains," 2003 Annual Meeting, February 1-5, 2003, Mobile, Alabama 35249, Southern Agricultural Economics Association.
    16. Meza, Francisco J. & Wilks, Daniel S., 2004. "Use of seasonal forecasts of sea surface temperature anomalies for potato fertilization management. Theoretical study considering EPIC model results at Valdivia, Chile," Agricultural Systems, Elsevier, vol. 82(2), pages 161-180, November.

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