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Corn Replant Calculator

The Golden Harvest® Corn Replant Calculator helps farmers understand if replanting will result in yield and economic benefits. Calculations take into account the number of plants remaining and their yield potential, the yield potential of a delayed planting date, seed availability and the cost of replanting.

To see the impact of replanting, simply:

  • Select your location below and enter your original planting date, predicted replant date, current plant density and desired replant density.
  • Click “Apply Replant Economics” to enter replant cost per acre and seed cost per bag, as well as percent seed cost covered, 5-year actual production history and corn sale price.
  • Click “Calculate” to determine replant % yield gain or loss and recommendation.
Print Results

The data supplied by this corn replant calculator is based on publicly available data. You should consult the appropriate source before relying on the results provided by this replant tool. To learn more about this website, review legal disclaimers, or learn about how the replant calculator provides results, please click here.

The Corn Replant Calculator is being provided to you for information purposes only and for your private use in preparing your own calculations. While reasonable efforts have been made to ensure the accuracy and reliability of the information and formulas, no guarantee is given or responsibility taken by Syngenta for the accuracy of the calculations or the applicability to your particular circumstances.

SYNGENTA PROVIDES THIS CORN REPLANT CALCULATOR AND ANY RESULT THEREFROM AS-IS, WHERE-IS, WITH ALL FAULTS AND WITH NO WARRANTY WHATSOEVER, EITHER EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE. YOU ASSUME ANY AND ALL RISKS IN USING THE CORN REPLANT CALCULATOR AND RELYING ON THE INFORMATION CONTAINED HEREIN. IN NO CIRCUMSTANCES SHALL SYNGENTA BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING BUT NOT LIMITED TO LOSS OF PROFIT, LOSS OF BUSINESS, LOSS OF SAVINGS OR CONSEQUENTIAL DAMAGES, EVEN IF SYNGENTA HAS BEEN NOTIFIED AS SUCH.

Additional Resources

Read more about corn replanting management in the resources below.

Considerations for Replanting Corn

Deciding to replant for desired plant population can be difficult. Take these factors into consideration beforehand.

Read More

Agronomy in Action 2025 Research Report

Discover trial results and actionable insights for corn and soybean crop management throughout the season.

Learn More

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© Syngenta. Important: Always read and follow label and bag tag instructions; only those labeled as tolerant to glufosinate may be sprayed with glufosinate ammonium-based herbicides. LibertyLink®, Liberty® and the Water Droplet logo are registered trademarks of BASF. HERCULEX® and the HERCULEX Shield are trademarks of Corteva Agriscience LLC. HERCULEX Insect Protection technology by Corteva Agriscience LLC.

No dicamba may be used in-crop with seed with Roundup Ready® Xtend Technology, unless and until approved or specifically permitted, and no dicamba formulations are currently registered for such use at the time this material was published. Please see https://www.roundupreadyxtend.com/pages/xtendimax-updates.aspx for status updates. See product labels for details and tank mix partners. Golden Harvest® soybean varieties are protected under granted or pending U.S. variety patents and other intellectual property rights, regardless of the trait(s) within the seed. The Enlist E3® soybean, LibertyLink®, Roundup Ready 2 Xtend®, Roundup Ready 2 Yield® and XtendFlex® soybean traits may be protected under numerous United States patents. It is unlawful to save soybeans containing these traits for planting or transfer to others for use as a planting seed. NOT ALL formulations of dicamba, glyphosate or glufosinate are approved for in-crop use with products with XtendFlex® Technology. ONLY USE FORMULATIONS THAT ARE SPECIFICALLY LABELED FOR SUCH USES AND APPROVED FOR SUCH USE IN THE STATE OF APPLICATION. Contact the U.S. EPA and your state pesticide regulatory agency with any questions about the approval status of dicamba herbicide products for in-crop use with products with XtendFlex® Technology. Only 2,4-D choline formulations with Colex-D® Technology are approved for use with Enlist E3® soybeans. Enlist E3® soybean technology is jointly developed with Corteva Agriscience LLC and M.S. Technologies, LLC. The Enlist trait and Enlist Weed Control System are technologies owned and developed by Corteva Agriscience LLC. Enlist® and Enlist E3® are trademarks of Corteva Agriscience LLC. Roundup Ready 2 Xtend®, Roundup Ready 2 Yield®, YieldGard VT Pro® and XtendFlex® are registered trademarks used under license from the Bayer Group. More information about Syngenta corn products is available at http://www.biotradestatus.com. All trademarks are the property of their respective owners.

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