Soybean Weeds
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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
Postemergence Herbicide Applications Need to Happen Soon in Soybean
In soybean crops, postemergence herbicides should be applied to smaller weeds, but proper scouting is likely necessary before application. Learn everything you need to know before making an application this growing season.
Leafy Spurge Management in the Early Summer
Early summer and fall integrated management tactics are critical for leafy spurge management. Now is the time to consider implementing early summer management tactics for leafy spurge.
Dicamba Cannot be Applied Postemergence in Dicamba-Tolerant Soybeans After June 20
With weather delaying the planting of soybean, the clock is ticking to spray dicamba before the cutoff date of June 20, 2024. Learn what application tactics might work best before the deadline.
Leafy Spurge or an Imposter?
Leafy spurge is a statewide noxious weed that can be difficult to manage. However, are the recent yellow flowers appearing throughout South Dakota landscapes leafy spurge or another species?
Critical Period of Weed Control: A good, but not perfect guideline
The critical period of weed control is the period during a crop lifecycle when weeds need to be managed to avoid a significant yield loss.
Absinth Wormwood Control in the Spring
Absinth wormwood is a difficult-to-control, noxious weed that can produce great amounts of seed (50,000 seeds per-stem) and spreads only by seed, illustrating the importance of management prior to seed production.
Weeds Are Starting to Emerge: Even After a Preemergence Herbicide Application
During recent scouting, weeds were noticed in plots treated with preemergence herbicides. Learn some troubleshooting considerations to help determine why some weeds emerge following preemergence treatments.
Early Season Prevalence of Field Pennycress and Shepherd’s Purse
Many fields that are planted to winter wheat or have yet to be tilled may have a healthy infestation of field pennycress or shepherd’s purse. Learn some expert tips for identifying and managing these weeds before they become a problem this growing season.
Herbicide Group Classification
The intent of providing herbicide group numbers and mode/site-of-action information on labels is to help develop herbicide plans that reduce the selection pressure on herbicide-resistant weeds. Learn how understanding this information can help improve your plans.
Low-Cost and Adaptable Plans to Build a Wick Applicator for Herbicides
From crop fields to home gardens, wick applicators can manage weeds by applying herbicides directly to weeds growing at a set height above desirable plants. Learn how to build one yourself in this article.