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Constraining Phosphorus In Surface Water: Dairy Farm Resource Use And Profitability

Author

Listed:
  • Hanchar, John J.
  • Knoblauch, Wayne A.
  • Milligan, Robert A.

Abstract

The New York City Watershed Agricultural Program (NYCU7AJP) seeks to reduce the potential for phosphorus movement from farms to surface waters. Toward this objective, a "Phosphorus Index for Site Evaluation" P-Index) provides planners in the NYCWAP with a tool for identifying problems and evaluating solutions. A linear programming model was used to examine dairy farm resource use and profitability given resource constraints and constraints on the values of the P-Index. Results indicate dramatic differences in expected effects on resource use and returns above variable costs between less restrictive targets in the upper end of the "medium" (for example, 24 and 17) and more restrictive targets in the lower end of the range (for example, 13 through 10). The differences have implications for choosing a target to guide planning on farms - regarding expected effects on profitability, the target within the "medium" range matters.

Suggested Citation

  • Hanchar, John J. & Knoblauch, Wayne A. & Milligan, Robert A., 1998. "Constraining Phosphorus In Surface Water: Dairy Farm Resource Use And Profitability," Working Papers 7247, Cornell University, Department of Applied Economics and Management.
    • Handle: RePEc:ags:cudawp:7247
    DOI: 10.22004/ag.econ.7247
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    File URL: https://ageconsearch.umn.edu/record/7247/files/wp980012.pdf
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    Cited by:

    1. Dodd, Alyssa & Halbrendt, Catherine K. & Nicholson, Charles F., 2000. "Abstracts: The Financial Impact Of Animal Related Phosphorus Management On Vermont Dairy Farms," 2000 Annual meeting, July 30-August 2, Tampa, FL 21733, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    2. Zhang, Wei & Parsons, Robert L., 2001. "Financial Impacts Of Alternative Phosphorus Management Practices: The Case Of Vermont Dairy Farms," 2001 Annual meeting, August 5-8, Chicago, IL 20766, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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