Herbicide Options for No-till Soybeans

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Tractor in harvested corn field

More time, improved soil health and reduced compaction are just a few advantages of implementing a no-till soybean system. And the list goes on.

“No-till can help reduce labor, fuel costs, and wear and tear on equipment from extra passes across the field,” says Joe Bolte, market development specialist, Corteva Agriscience. “This can also help free up equipment and resources during the spring — one of the busiest times of the year for growers.”

But, along with several advantages, a no-till system can pose challenges. One of those challenges is marestail. This weed thrives in no-till and reduced-tillage environments.

When marestail germinates in fall and is allowed to overwinter to spring, it is generally considered one of the most difficult weeds to control. Once it gets a hold in a field, marestail can significantly decrease yield.

Why No-till Requires a Burndown Application 

“Tillage will control winter annuals [such as marestail] and early emerging summer annuals,” Bolte says. “But in a no-till environment, a burndown application will be needed to control these weeds.”

Controlling weeds when they are small is the key to any herbicide application. That’s why Bolte recommends a fall burndown, which will provide control when weeds are most susceptible.

“For maximum control, residual herbicides that are labeled for fall applications can be added to the tank,” Bolte says. “Many of these products will have burndown as well as residual activity. Adding an approved burndown tank-mix partner can also help broaden the burndown weed control spectrum.”

If you choose to not make a fall burndown application, a spring burndown will be even more critical. Early spring burndown applications can help control winter annuals and early emerging summer annuals when they are still small.

Herbicide Options From Corteva Agriscience

“Corteva offers many options for acres that will be planted to soybeans the following spring,” Bolte says. Here are some great options available for burndown applications:

  • Elevore® herbicide elevates your burndown program by providing thorough control of labeled broadleaf weeds without regrowth. Elevore is tank-mix-compatible with commonly used burndown and residual partners to control many ALS- and glyphosate-resistant species, plus marestail up to 8 inches tall. “Elevore is a great burndown option for marestail in the fall or spring,” Bolte says. “For spring burndown applications, Elevore will also have a relatively short plant-back restriction to soybeans.” View the fall burndown fact sheet here.
  • Trivence® herbicide delivers consistent control and improved weed resistance management of the toughest weeds, including Palmer amaranth, marestail, waterhemp, giant ragweed, morningglory, lambsquarters and other broadleaf weeds. You can count on Trivence herbicide to provide excellent burndown and residual performance even under cool, wet spring conditions.
  • Enlist® herbicides can be used for spring burndown and preplant applications on Enlist E3® soybeans. For all uses, including burndown, Enlist herbicides can be tank-mixed with products that are listed on EnlistTankMix.com. Listed products include additional herbicides, AMS products and water conditioners.

For a complete list of soybean herbicides offered by Corteva, visit Corteva.us. Work with your local retailer to help identify which burndown herbicides make the most sense for your acres.

The transgenic soybean event in Enlist E3® soybeans is jointly developed and owned by Corteva Agriscience and M.S. Technologies L.L.C. Enlist Duo® and Enlist One® herbicides are not registered for sale or use in all states or counties. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your area. Enlist Duo and Enlist One herbicides are the only 2,4-D products authorized for use with Enlist® crops. Consult Enlist herbicide labels for weed species controlled. Elevore® and Trivence® are not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions. 



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