Q: How do farmers decide when to plant corn and soybeans?
A: The three main factors farmers use are:
“Ground temperature is a big part of it,” he said. “For corn and soybeans, ground needs to be at 52 degrees four or five days straight.
“You also look at the calendar,” Gormong added, “but if it's late but it's still wet and cold, you're not going to plant.”
“‘Mudding in’ a crop early to avoid planting late will almost always end up being an unwise decision,” noted Purdue agronomist Bob Nielsen in a 2016 article on corn planting dates.
You can see how corn and soybean planting are progressing across the country by checking out these interactive maps from AgWeb:
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