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Agriculture in the Corn Belt is big business. It is a specialized business, depending very much on only a few intensively grown crops. During the 5-year period 1964-68, farmers in Ohio, Indiana, Illinois, Iowa, and contiguous corn-producing states harvested annual averages of 45, 24, and 12 millions of acres of corn, soybeans, and oats, respectively. These acreages made up 79%, 66%, and 69% of the national acreages of these crops, and produced 85% of the nation’s corn, 70% of the soybeans, and 73% of the oats. M arketed directly or through livestock, these three crops and forages traditionally have formed the major basis of agriculture in the Corn Belt.
Iowa State University. Agricultural and Home Economics Experiment Station
Botany | Plant Pathology
Browning, J. Artie, "Disease consequences of intensive and extensive culture of field crops" (1969). Special Report. 51.