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Impact of Automated Guidance for Mechanical Control of Herbicide-Resistant Weeds in Corn

Author

Listed:
  • Griffin, Terry
  • Lowenberg-DeBoer, J.

Abstract

This study evaluated the feasibility of reintroducing mechanical weed control as an alter-native for herbicide- resistance weed infestations. The production practice tested included row cultivation with a separate banded spray application using high- accuracy automated guidance systems. A range of ground speeds were tested for the row cultivation opera-tion, each with a different per acre cost and timeliness penalty. A typical eastern Corn Belt farm with a rotation of corn and soybean served as the base for the linear pro-gramming model. It was found that if the farmer was willing to reintroduce tillage, row cultivation conducted at higher operating speeds in conjunction with separate banded application could be justified under a range of relatively inexpensive herbicide costs as low as $7 per acre. When effective herbicides were relatively expensive at $30 per acre, the optimal decision would be to use row cultivation and reduce herbicides via banding. At faster ground speeds, the majority of hours devoted to row cultivation shifted to ear-lier time periods so that yield penalties were avoided.

Suggested Citation

  • Griffin, Terry & Lowenberg-DeBoer, J., 2017. "Impact of Automated Guidance for Mechanical Control of Herbicide-Resistant Weeds in Corn," Journal of Applied Farm Economics, Purdue University, vol. 1(2).
    • Handle: RePEc:ags:pujafe:302995
    DOI: 10.22004/ag.econ.302995
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    File URL: https://ageconsearch.umn.edu/record/302995/files/JAFEImpactofAutomated.pdf
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    Cited by:

    1. Wright, Rodney & Griffin, Terry W. & Guha, Gauri & Bouldin, Jennifer, 2018. "Economic Investigation of Crop Selection in the Southern Mississippi River Basin," Journal of the ASFMRA, American Society of Farm Managers and Rural Appraisers, vol. 2018.
    2. Lowenberg-DeBoer, James, 2022. "Economics of adoption for digital automated technologies in agriculture," ESA Working Papers 330794, Food and Agriculture Organization of the United Nations, Agricultural Development Economics Division (ESA).

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