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Is Site-Specific Nematode Management Profitable: Evidence from Spatial Econometric Analysis

Author

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  • Liu, Zheng
  • Monfort, Walter
  • Kirckpatrick, Terrance
  • Griffin, Terry

Abstract

Nematode management in cotton has eluded farmers and researchers for decades. Control strategies have typically relied upon highly toxic nematicide application. Site-specific management provides opportunity to improve profitability while maintaining environmental stewardship; and can be based on yield penalty functions estimated from empirical data. A 4-year field-scale experiment was implemented in a commercial Arkansas cotton field known to exhibit crop yield loss due to nematodes. Root-knot nematode population was measured at four times within each plot each year: 1) prior to nematicide application, 2) at planting, 3) at peak bloom, and 4) at harvest. Due to spatial effects, spatial econometric models were estimated to obtain reliable yield response coefficients. Site-specific cotton yield response to treatment, soil texture, and nematode population were evaluated using a spatial error process model. Specific objectives were to estimate cotton yield response to environmental and treatment factors then conduct profitability analyses for site-specific nematicide application. The results support the potential of site-specific nematicide application including management zone delineation. Profitability analysis of variable rate nematicide application provides an initial insight into the potential of site-specific nematode management.

Suggested Citation

  • Liu, Zheng & Monfort, Walter & Kirckpatrick, Terrance & Griffin, Terry, 2015. "Is Site-Specific Nematode Management Profitable: Evidence from Spatial Econometric Analysis," 2015 Annual Meeting, January 31-February 3, 2015, Atlanta, Georgia 196879, Southern Agricultural Economics Association.
    • Handle: RePEc:ags:saea15:196879
    DOI: 10.22004/ag.econ.196879
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    References listed on IDEAS

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    1. Isabelle Huault & V. Perret & S. Charreire-Petit, 2007. "Management," Post-Print halshs-00337676, HAL.
    2. Luc Anselin & Rodolfo Bongiovanni & Jess Lowenberg-DeBoer, 2004. "A Spatial Econometric Approach to the Economics of Site-Specific Nitrogen Management in Corn Production," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 86(3), pages 675-687.
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    4. Griffin, Terry W. & Dobbins, Craig L. & Lowenberg-DeBoer, James, 2007. "Case Study of On-Farm Experiments and Farm Management Decision Making," 2007 Annual Meeting, July 29-August 1, 2007, Portland, Oregon 9921, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    5. Florax, Raymond J. G. M. & Voortman, Roelf L. & Brouwer, Joost, 2002. "Spatial dimensions of precision agriculture: a spatial econometric analysis of millet yield on Sahelian coversands," Agricultural Economics, Blackwell, vol. 27(3), pages 425-443, November.
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    More about this item

    Keywords

    Crop Production/Industries; Production Economics; Productivity Analysis; Research Methods/ Statistical Methods;
    All these keywords.

    JEL classification:

    • R3 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location
    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services
    • Q15 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment

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