Crops
Corn, soybeans, forages, and small grains are the main crops grown and produced in Iowa. Learn more about the agronomics of growing and storing these crops in Iowa.



Timely Insights on Crop Production
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June 12, 2025Content Author
On June 11 parts of Palo Alto, Kossuth, and Hancock counties experienced hail damage.
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June 12, 2025Content AuthorKey PointsWarmth is on the way; be aware of chances for extreme heat and keep an eye on livestock. An active pattern is expected in the next 7 days in Iowa, with widespread precipitation forecasted. Past weather
Fairly widespread precipitation fell across Iowa at the beginning of June. Approximately 80% of the state received at least 0.5 inches of rain on June 3rd. Localized areas received greater amounts of rain where thunderstorms popped up.
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June 12, 2025Content Author
While it is true that soybean can germinate with cool soil temperatures (36F to 39F) at planting, the optimum temperature is 65F. Soybean need three things for growth, those are moisture, heat, and sucrose.
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June 10, 2025Content Author
With many corn fields across the state reaching that V5 to V9 growth stage, they are getting a dark deep color and rows in some fields are getting close to canopying. Soybeans in general seem a little slower this year and could really use some sunshine and heat. Herbicide injury, weeds not dying, IDC in soybeans, and Rapid Growth Syndrome in corn were some of the issues or concerns heard or seen by ISU Extension field agronomists this last week.
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June 9, 2025Content Author
The soybean cyst nematode (SCN) is Iowa’s most damaging soybean pathogen. It is widespread in the state, but many infested fields go unnoticed because of subtle or lacking above-ground symptoms. A quick and easy way to check for SCN in fields is to dig roots and look for small, white SCN females. Now’s the time to do that! This blog post tells how and what to look for.