论文信息 - Shifts in Cropland Use in the North Central Region

Shifts in Cropland Use in the North Central Region

An empirical model accurately estimates row crop and extensive crop acreage in the North Central region. It shows (a) for each 1-acre increase in diversion, rcw crops decrease 0.62 acre and extensive crops decrease 0.12 acre, and (b) the annual shift to .row crops is diminishing.

J. Sharples | R. L. Walker

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[2] G. Judge,et al. Agricultural Production Functions. , 1961 .

[3] E. Swanson,et al. Diversification in Illinois Crop Production: 1938-1970 , 1973 .