Corn spikes through fertile soil of early-planted fields in most parts of Iowa as I write. According to the May 4, 2009 USDA-NASS estimates, 2 percent of Iowa’s corn is emerged compared to none last year and the five year average of 7 percent.
Iowa State University
Elmore, Roger W., "Corn Emergence in 2009" (2009). Integrated Crop Management News. 672.
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