Crop Input Response Functions with Stochastic Plateaus
Agronomic research on crop response to nitrogen fertilizer suggests that a plateau function may be appropriate, but the plateau varies across fields and years. Available models that treat the plateau as a stochastic variable are not readily extendable to handle field or year random effects as seems to be appropriate based on the agronomic data. This article develops a method of estimating a response function with a stochastic plateau that can capture random effects. The method is then used to determine economically optimal levels of nitrogen fertilizer for wheat ("Triticum aestivum"). Copyright ©2008 American Agricultural Economics Association.
Year of publication: |
2008
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Authors: | Tembo, Gelson ; Brorsen, B. Wade ; Epplin, Francis M. ; Tostão, EmÍlio |
Published in: |
American Journal of Agricultural Economics. - American Agricultural Economics Association. - Vol. 90.2008, 2, p. 424-434
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Publisher: |
American Agricultural Economics Association |
Saved in:
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