Controlling Volunteer Corn in Soybeans with Precision Spraying

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August 10, 2024

DATE | June 2024

LOCATION | Leigh, NE

CROP | Soybeans

THREAT | Weed Pressure

MISSION |1 2 3 4 5 6

Effectively managing volunteer corn is essential to protect soybean yields and maintain crop health.

PROBLEM

Volunteer corn in soybean fields can be a highly competitive weed, depriving the crop of nutrients, water, and light.
It also poses a risk during crop rotation by hosting pests through the soybean year.
Select Herbicide is commonly used by soybean growers to control volunteer corn, but its effectiveness can be reduced if mixed with other herbicides, making timing critical.

RECOMMENDATION

Volunteer corn pressure was found to be more severe in the terraced northern portion of the field.
Using insights from the 27th, the grower was able to create a spray plan and apply herbicide on the 29th, leaving room for other post-emergent applications.
The grower used zones to create a prescription map based on the varying levels of volunteer corn pressure across the field.

OPPORTUNITY

Timely insights revealed that volunteer corn pressure was particularly high in the terraced areas of the field.
The grower selectively sprayed 22 acres with Select Herbicide.
By not applying herbicide to 35 acres, the grower saved $175 in product costs.
The grower can now confidently spray Liberty and Enlist without concerns about reduced effectiveness, ensuring optimal weed control and crop health.

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