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Wild Oats Control Herbicide Label Expanded

Insight 339SC, a new herbicide from Gowan Canada which provides wild oats control, has had its label expanded in Canada, a Nov. 14 news release said. Insight 339SC has the Group 14 active ingredient Tergeo.

It provides wheat and corn growers with a fast-acting solution to their pre-seed burndown strategy. The release notes it has exceptional control of wild oats compared other pre-seed burndown herbicides.

“It was essential that control of wild oats be on the label from the start. With the incidence of biotypes of wild oats resistant to other modes of action increasing across Canada, the need for solutions to this expanding problem are immediate,” Dale Ziprick, product manager for Gowan Canada, said in the release.

Insight also controls an array of broadleaf weeds, including volunteer canola, kochia, lamb’s quarters, wild buckwheat, and red root pigweed, the release said. It’s registered as a pre-seed burndown herbicide in spring wheat and corn and will be available for use in the 2023 growing season.

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Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Video: Supplemental Nitrogen on Soybeans: Can Early Nitrogen Increase Yield?

Can supplemental nitrogen help soybeans reach higher yield potential? Technical Agronomist Tim Sickman walks through an ongoing trial at the Nutrien Innovation Farm in Owensboro, Kentucky, exploring whether a modest amount of nitrogen applied at planting can support higher-yielding soybean environments.

The trial compares 30 pounds of supplemental nitrogen across both 15- and 30-inch rows, along with treatments that include sulfur and micronutrients. Similar trials conducted in 2024 and 2025 delivered a six- to seven-bushel yield response, prompting the team to expand the research this season.

Early observations show that treated soybeans are slightly taller and averaging about two additional nodes on the main stem. These added nodes could create more opportunities for blooms and pods, but the true results will come at harvest when the team evaluates pod development, seed fill and final yield.

In This Video:

Why high-yield soybeans may need supplemental nitrogen

Results from the 2024 and 2025 trials

Nitrogen treatments in 15- and 30-inch rows

Fertilizer placement and application methods

Differences in plant height and node counts

Potential effects on pod development and yield