The refrain of “The Iowa Corn Song” – ” We’re from I-o-way, I-o-way, That’s where the tall corn grows” – could be rewritten to say, “That’s where the corn yields grow.” Economist David Widmar looked at county-by-county corn yields in Illinois, Indiana, and Iowa from 1950 to 2012, and found large difference in yield trends. “The county… » Read More
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