By Katie Peikes
Farmers will soon head out to plant in their fields. The August derecho that swept across the Midwest will be something many are still thinking about.
The powerful wind storm flattened corn and crumpled grain bins. The U.S. Department of Agriculture estimates Iowa farmers were unable to harvest hundreds of thousands of acres of crops.
Iowa State University extension agronomist Mark Licht said the downed corn left kernels and ears remaining on or near the soils’ surface, so some kernels won’t be as productive. The leftover seeds could create open-pollinated corn called “volunteer corn," which competes for sunlight and nutrients.
“For all practical purposes, we consider them a weed because they are taking water, they're taking nutrients away from the intended corn or the intended soybean crop,” Licht said.
Licht expects many derecho-affected areas where corn was planted to be switched to soybeans.
“Our thought process is if we can move those acres where we have a lot of grain on the ground into soybeans, overall, it’s just going to be easier to manage that volunteer corn crop and have minimal impact on soybeans,” Licht said.
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