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

James Gilbert Ryan · Richard Kidd Perrin

24 citations0/0 files storedAmerican Journal of Agricultural Economics

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Agricultural economics and policies Agricultural Science and Fertilization Agricultural Economics and Practices

Abstract

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.

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1978The Private and Social Value of Information and the Reward to Inventive Activity 1972Optimal Levels of Fertilization Under Risk: The Potential for Corn and Wheat Fertilization Under Alternative Price Policies in Argentina

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1985Scheduling Inputs with Production Functions: Optimal Nitrogen Programs for Rice

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