Corn+Soybean Digest

Plant Earlier, Not Later

If you have more acres of corn to plant, plant earlier if seedbed and environmental conditions allow, say Iowa State University Extension agronomists.

Last year 50% of the crop was planted by April 25. Research has shown a small yield loss with early planting dates and a larger yield loss with later planting dates.

Research from 1998-2000 showed that planting approximately between April 20 and May 20 resulted in 100% yield. Newer research (2003-2006), finds corn can be planted before April 20 and reach 100% yield.

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