Optimal Nitrogen Fertilization Rates in Winter Wheat Production as Affected by Risk, Disease, and Nitrogen Source

Roland K. Roberts, Jeremy T. Walters, James Larson (), Burton English and Donald D. Howard

Journal of Agricultural and Applied Economics, 2004, vol. 36, issue 1, 199-211

Abstract: Interactions among the nitrogen (N) fertilization rate, N source, and disease severity can affect mean yield and yield variance in conservation tillage wheat production. A Just-Pope model was used to evaluate the effects of N rate, N source, and disease on the spring N-fertilization decision. Ammonium nitrate (AN) was the utility-maximizing N source, regardless of risk preferences. The net-return-maximizing AN rate was 92 lb N/acre, providing $0.52/acre higher net returns than the best alternative N source (urea). If a farmer could anticipate a higher-than-average Take-All Root Rot infection, the difference in optimal net returns between AN and urea would increase to $35.11/acre.

Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:cup:jagaec:v:36:y:2004:i:01:p:199-211_02

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