作者: Michele C. Marra , Bryan W. Schurle
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摘要: A meta-analysis approach to prediction of farm level yield risk from county series is applied Kansas wheat yields. nonlinear relationship between and found, which indicates that increases at an increasing rate as the number acres in measure decreases. County variability should be adjusted upward by approximately .1% for each percent difference acreage average within county. The shown promising when information difficult obtain.