Thank you for using Pre-Serve to determine whether mitigation is necessary for your field.

Have you checked all of your fields?

If not, click 'No' and complete the process for each area where you farm. Otherwise, click 'Yes' to close the Pre-Serve tool, and remember to check back for updates in six months.

Do you really wish to exit and close the Pre-Serve tool at this time?
© 2015 Monsanto Company. For use only by farmers and pesticide applicators for the purpose of identifying those areas where threatened or endangered plant species may exist near agricultural land and accessing appropriate mitigation measures. Monsanto does not authorize any other use of this site and specifically asserts and reserves its data ownership and data compensation rights, including under the Federal Insecticide, Fungicide, and Rodenticide Act.

Data Sources: NatureServe and its Natural Heritage member programs (2006, 2009), as licensed to the FIFRA Endangered Species Task Force; State Heritage Programs; and U.S. Fish & Wildlife Service; and ESRI.

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The license agreement between Monsanto and licensees of crops with Roundup Ready® technology requires that licensees observe all mitigation instructions on this Pre-Serve website. The purpose of Pre-Serve is to protect threatened and endangered plant species and their federally-designated critical habitat from potential impacts resulting from the agricultural use of herbicides that contain glyphosate.

In addition to the instructions provided here, mitigations from local, state, or federal protection programs and/or landowner agreements may apply, and must be followed, where applicable. For applications of glyphosate products in California, mitigations specified in the California PRESCRIBE system must also be followed.

When answering the following questions, please consider all applications of glyphosate products you will make this year. If you answer "yes" to any of the following three questions, then no mitigation is specified by Pre-Serve:

  1. Will you apply a glyphosate product only in the following states? In these states, mitigations from local, state, or federal protection programs and/or landowner agreements may apply, and must be followed, where applicable. Use link where provided.
    • Alaska
    • Oklahoma
    • Pennsylvania
    • South Dakota
    If yes, you are not impacted by Pre-Serve.
  2. Will you apply a glyphosate product by ground, only at rates of less than 3.5 pounds glyphosate acid equivalent (a.e.) per acre per application?
    (this is equivalent to 3.1 quarts (100 fl. oz.) per acre of Roundup PowerMAX®, Roundup PowerMAX® II, or Roundup WeatherMAX® Herbicide)
    If yes, you are not impacted by Pre-Serve.
  3. Will you apply a glyphosate product by air, only at rates of less than 0.7 pounds glyphosate acid equivalent (a.e.) per acre per application?
    (this is equivalent to 20 fl. oz. per acre of Roundup PowerMAX®, Roundup PowerMAX® II, or Roundup WeatherMAX® Herbicide)
    If yes, you are not impacted by Pre-Serve.
Otherwise, proceed to Step 1:

† The glyphosate a.e. values given here are based on Monsanto’s evaluation of the available data. Always read and follow all label instructions. If applying a glyphosate product from another manufacturer, review the product label to determine the volume that provides the same glyphosate a.e. rate per acre. ® Roundup, Roundup Ready, Roundup PowerMAX, and Roundup WeatherMAX are registered trademarks of Monsanto Technology LLC.