2023
DOI: 10.1111/agec.12802
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Optimal grid size for site‐specific nutrient application

Brian E. Mills,
B. Wade Brorsen,
Davood Poursina
et al.

Abstract: This article develops a theoretical framework to determine the economically optimal grid size when sampling to guide precision application of inputs. Our theoretical model shows that a finer grid is optimal with increases in output price. A coarser grid is optimal with increased sampling costs and increased spatial correlation. With an exponential variogram, for example, the optimal grid size increases as the range increases. An applied example of lime application for winter wheat is used to demonstrate the fr… Show more

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