Nearly one out of every three dollars generated by South Dakota agriculture starts in a corn field. Two of every three rows of corn become ethanol. It’s the most-planted crop in South Dakota, and a strong partner in the production of livestock. Best management practices for corn production, developed at SDSU, are your window to enhanced profitability.
Collaborating with South Dakota Agricultural Experiment Station at SDSU, throughout the growing season, our team showcases local data collected from test plots in a field near you.
Farming is all about timing. Use our research-based resources for planting, growing and harvest.
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Best Management Practices for Corn Production
iGrow Corn is your unbiased, research-based guide to corn production, providing the latest recommendations to help increase yield, reduce input costs and protect your investment.
South Dakota Pest Management Guides
The South Dakota Pest Management guides are now available for free. The guides offer recommendations for controlling weeds, insects, and diseases in a variety of South Dakota crops.
Corn Hybrid Trial Results
In 2024, corn hybrid, conventional corn hybrid and corn silage trials were conducted at different locations throughout South Dakota.
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Southeast Research Farm Fall Field Day
SDSU Extension, the South Dakota Agricultural Experiment Station at SDSU and the Southeast South Dakota Experiment Farm Corporation will host the Southeast Research Farm fall field day on Thursday, September 11, from 10:00 a.m. to 2:15 p.m. CDT at the Southeast Research Farm (29974 University Rd. Beresford, SD 57004).
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Palmer amaranth has recently been confirmed in Turner County. Currently, the estimation of Palmer amaranth infestations has been confirmed in 18 counties across South Dakota
Weed Management via Harvesting Order
Despite The warm and wet growing season that promoted continuous flushes of weed germination, weeds are usually present at the time of harvest. Careful consideration should be taken to determine the order of fields to be harvested.
Corn Disease Update: September 2, 2025
As of September 2, 2025, a number of corn diseases have been reported and confirmed throughout South Dakota. View our latest findings as we approach the fall harvest season.