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Tennessee farmers advised to follow EPA guidelines for dicamba

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Staff Writer | December 31, 2018
The Tennessee Department of Agriculture is advising soybean and cotton farmers to follow federal guidelines when applying pesticides containing dicamba approved for “over-the-top” use.
Jai Templeton
America   Agriculture Commissioner Jai Templeton
Dicamba products are commonly used to control weeds in soybean and cotton fields. Each product includes an extensive and detailed label outlining the requirements for use. Applicators must follow the label directions precisely to be in compliance with the law.

In October, EPA extended the registration of new formulation dicamba products for two years and announced new label requirements. As a result, Tennessee will not seek an additional special needs label for the next planting season.

“We have reviewed EPA’s new label requirements and have determined that they address—and in some cases, exceed—the steps we have taken in Tennessee to help farmers use these products responsibly,” Agriculture Commissioner Jai Templeton said. “We will not seek additional restrictions. Instead, we will focus on helping producers comply, while promoting commonsense practices to further protect sensitive areas.”

The U.S. Environmental Protection Agency (EPA) is emphasizing the following /new/ label requirements for dicamba applicators:

- Only certified applicators may apply dicamba over the top of growing plants.

- Over-the-top application on soybeans is prohibited 45 days after planting and prohibited for cotton 60 days after planting.

- For cotton, the number of over-the-top applications is limited to two.

- Applications are allowed only from one hour after sunrise to two hours before sunset.

- The 110-foot downwind buffer applies to all applications. However, in counties where threatened or endangered species may exist, the downwind buffer will remain at 110 feet and there will be a new 57-foot buffer around the other sides of the field.

Tennessee counties that include the additional buffer are Chester, Davidson, Franklin, Grundy, Madison, Maury, McNairy, Montgomery, Polk, Rutherford, and White.

Due to the presence of particular endangered species, pesticides containing dicamba cannot be sprayed in Wilson County. To learn more about the various protected species and for more information, applicators should consult the product label.

Under the new federal guidelines, application of dicamba is expected to be significantly limited by mid-season in Tennessee based on historical crop planting schedules. This eliminates the need for a state cut-off date, which Tennessee implemented the past two years.

The new label also includes improved tank cleaning instructions, clarification of the training period, and enhanced explanation to improve applicator awareness of potential volatility of the pesticide.

In addition, new state rules took effect this year restricting the use of older formulations of dicamba products and increasing civil penalties.


 

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