As of Sunday, April 19, six percent of Iowa’s corn sits in Iowa’s fields imbibing moisture and experiencing the beginning of the germination process. In our planting date research trials, corn planted during the first week of April has sprouted with a one-fourth inch root emerged. The season begins!
Iowa State University
Elmore, Roger W. and Abendroth, Lori, "Corn Planting Begins" (2009). Integrated Crop Management News. 680.
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