UAN and Herbicides on Emerged Corn

Date
2013-05-13
Authors
Hartzler, Robert
Sawyer, John
Sawyer, John
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Prolonged wet periods often disrupt the normal sequence of field operations. Some fields may be planted before nitrogen and/or pre-emergence herbicides are applied. While UAN (urea-ammonium nitrate) and many pre-emergence products can be applied to emerged corn, using UAN as a herbicide carrier enhances the foliar activity of products and may result in foliar damage. Check herbicide labels for restrictions on use of UAN as a carrier.

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Agronomy
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