Corn Weeds
All Corn Weeds Content
The South Dakota State University Southeast Research Farm to host Field Day on July 11
June 30, 2023
The South Dakota State University Southeast Research Farm Field Day will be held on July 11 near Beresford, South Dakota.
Weeds Have Started to Flower!
Early-flowering waterhemp, redroot pigweed, and common lambsquarters show the importance of early weed control, as they can produce seeds before a delayed postemergence herbicide application.
Vegetative Identification of Palmer Amaranth, Waterhemp, and Redroot Pigweed
Palmer amaranth is a non-native weed sharing common characteristics with waterhemp and redroot pigweed. Learn how to identify all three of these aggressive weeds before they become an issue in your fields this growing season.
Considerations for Postemergence Herbicides
Postemergence herbicide applications can protect your crop yields by limiting in-season weed competition. Learn everything you need to know before firing up your sprayer.
Considerations for Preemergence Herbicides
Weeds emerging with crop plants have the potential to reduce yields. Learn some tips for applying preemergence herbicides to control weeds before emergence to ensure that your yields aren't limited by early-season weeds.
Knowing the Soil Types in Your Fields Can Increase Weed Control
As soil temperatures increase, many farmers are beginning to plant crops and start preemergent weed control. Learn the important role that soil type can play in getting the most out of preemergence herbicide applications.
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.
Paul O. Johnson Retires After Dedicated Career in SDSU Extension
June 08, 2022
Paul O. Johnson, SDSU Extension Weed Science Coordinator and Northeast Research Farm Coordinator, is retiring after a dedicated 33-year career supporting the people of South Dakota in his role at SDSU Extension.
Read the Label
Last year, Bayer announced they would be phasing out glyphosate from the homeowner market, but they would be keeping the Roundup name for future marketing. Learn some important label considerations when purchasing Roundup-branded products.
Effects of Spring Flooding on Weed Seed Movement
How does spring flooding impact weed seed movement and dispersal? The flooding that is occurring from spring snow melt may cause weed seeds that are on the soil surface or eroded soil to move, and possibly long distances.