Soybean Weeds
Recommended Content
Best Management Practices for Soybean Production
This is your unbiased, research-based guide to soybean production to help increase yield, reduce input costs and protect your investment.
All Soybean Weeds Content
Crops
During the growing season, SDSU Extension provides weekly production recommendations.
Syngenta to Stop Production of Gramoxone®
Global pesticide developer Syngenta announced on March 3, 2026 that they will cease global production of the herbicide product Gramoxone® (paraquat), a pivotal source of weed control in corn and soybean production, by June 30, 2026.
Great Temperature Shifts This Spring: Implications for burndown herbicide applications
The 2026 growing season is beginning as temperatures begin to increase. The increased temperatures are favorable for growing conditions, however, great temperature shifts throughout the day may adversely affect the activity of herbicide applied for preplant burndown.
Performance of Enlist One (2,4-D) and Liberty (Glufosinate) Applied in Mixture or Sequentially for Weed Control in Soybean
Trial results for Enlist One (2,4-D) and Liberty (Glufosinate) on weed control in soybean.
EPA Approves Dicamba for Over-the-Top Applications in Tolerant Soybean in 2026 and 2027
The Environmental Protection Agency has issued a limited-time registration of over-the-top use of dicamba on tolerant cotton and soybean for two growing seasons, 2026 and 2027.
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.
Weed Control Field Test Data
Data books to use as a reference to select appropriate herbicide(s) for row crops
Now is the Time to Plan for Noxious Weed Control in 2026
Most of South Dakota experienced first frosts that were delayed by at least one month, allowing for noxious weed growth to continue later in the season. Now is the time to plan for noxious weed management tactics.
Now is the Time to Prepare Your Weed Management Plan for the 2026 Growing Season
As harvest season comes to an end, now is the time to start formulating your weed management plan for next year. Learn some expert tips for getting your operation off to a good start this coming growing season.
Soybean
SDSU Extension is your partner to increase yields and improve efficiency.