The effect of weather and technology on corn yields in the Corn Belt, 1929-62 / [by Lawrence H. Shaw and Donald D. Durost].
Material type:
TextSeries: Agricultural economic report ; no. 80Publication details: Washington : U.S. Dept. of Agriculture, Economic Research Service, 1965.Description: iv, 39 p. : ill. ; 26 cmSubject(s): LOC classification: - HD1751 .A91854 no. 80
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Literature cited: p. 21-22.
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