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Fertilizer Response Information and Income Gains: The Case of Potatoes in Peru

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  • James G. Ryan
  • Richard K. Perrin

Abstract

Yield response to different levels of fertilizer on various soils is estimated by a generalized response function. Average new income generated by use of optimum levels is estimated at over $800 per hectare. The social gain to Peru is estimated to be as much as $50 million annually.

Suggested Citation

  • James G. Ryan & Richard K. Perrin, 1974. "Fertilizer Response Information and Income Gains: The Case of Potatoes in Peru," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 56(2), pages 337-343.
    • Handle: RePEc:oup:ajagec:v:56:y:1974:i:2:p:337-343.
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    File URL: http://hdl.handle.net/10.2307/1238765
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    Citations

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    Cited by:

    1. Lindner, Robert K., 1987. "Toward A Framework For Evaluating Agricultural Economics Research," Australian Journal of Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 31(2), pages 1-17, August.
    2. Jonasson, Erik & Filipski, Mateusz & Brooks, Jonathan & Taylor, J. Edward, 2014. "Modeling the welfare impacts of agricultural policies in developing countries," Journal of Policy Modeling, Elsevier, vol. 36(1), pages 63-82.
    3. Lindner, Bob, 1987. "Toward A Framework for Evaluating Agricultural Economics Research," Discussion Papers 315419, University of Western Australia, School of Agricultural and Resource Economics.
    4. Feinerman, E. & Yaron, D., 1982. "The Value of Information on the Response Function of Crops to Soil Salinity," Working Papers 232572, Hebrew University of Jerusalem, Center for Agricultural Economic Research.
    5. Freebairn, John W., 1978. "An Evaluation of Outlook Information for Australian Agricultural Commodities," Review of Marketing and Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 46(03), pages 1-21, December.
    6. Jonasson, Erik & Filipski, Mateusz & Brooks, Jonathan & Taylor, J. Edward, 2012. "Modeling the Welfare Implications of Agricultural Policies in Developing Countries," Working Papers 2012:11, Lund University, Department of Economics.
    7. Thompson, Troy N. & Knight, Thomas O. & Boren, Billy D., 1990. "Estimating The Value Of The 0/92 Reduced Planting Alternatives Of The 1985 Farm Bill For Farm Program Paticipants," Southern Journal of Agricultural Economics, Southern Agricultural Economics Association, vol. 22(2), pages 1-11, December.
    8. Griffin, Ronald C. & Rister, M. Edward & Montgomery, John M. & Turner, Fred T., 1985. "Scheduling Inputs With Production Functions: Optimal Nitrogen Programs For Rice," Southern Journal of Agricultural Economics, Southern Agricultural Economics Association, vol. 17(1), pages 1-10, July.

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