Keystone® NXT Herbicide – Crop Protection | Corteva Agriscience
Keystone® NXT herbicide for corn

Keystone® NXT


Dependable solution for corn farmers

Keystone® NXT herbicide is the dependable soil-applied solution for corn farmers seeking consistent control of a wide spectrum of grasses and small-seeded broadleaf weeds, including foxtail, barnyardgrass, crabgrass, waterhemp, pigweed, lambsquarters and nightshades. Keystone NXT can be applied from preplant through early postemergence. It fits conventional, reduced-till and no-till corn production systems. Keystone® NXT requires only ¼ inch of rain for activation and can be tank-mixed with many pre- and postemergence corn herbicides.


Supplemental Information

To find supplemental information on this product in a registered state, please use our Label Finder tool.


Excellent control

Requiring only ¼ inch of rain for activation, Keystone® NXT herbicide provides excellent control of annual grasses and effective control of small-seeded broadleaf weeds.


Keystone® NXT can be applied from early preplant to early postemergence and fits conventional, reduced-till and no-till corn production systems.



Corn Silage

Corn, Field, For Seed (Zea mays ssp. mays)

Corn, Field (Zea mays ssp. mays)

Corn, Pop (Zea mays ssp. mays)

Corn, Sweet (Zea mays ssp. mays)


Silvergrass (Miscanthus)

Controlled weeds

This product delivers effective weed control against the following:

  • Barnyardgrass
  • Cocklebur
  • Cupgrass
  • Foxtail
  • Jimsonweed
  • Kochia
  • Lambsquarters
  • Morningglory
  • Nightshade
  • Pusley
  • Ragweed
  • Sida
  • Smartweed
  • Velvetleaf
  • Waterhemp
  • Witchgrass

Refer to the Product Label for complete product efficacy information.

Find labels for this product

State Registrations

  • Registered
  • Unregistered

Technical Specifications

  • Active Ingredient
    acetochlor; atrazine
  • Herbicide Group
    Acetochlor and atrazine, the active ingredients in this product, are Group 15 and Group 5 herbicides, respectively, based on the mode of action classification system of the Weed Science Society of America.
  • Approved Use

    A preemergence herbicide for control of annual grasses and broadleaf weeds in field corn, production seed corn, silage corn, sweet corn, popcorn, Miscanthus and other nonfood perennial bioenergy crops.

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For more information, download the full label for Keystone® NXT herbicide.
Keystone NXT Fact Sheet
®™Trademarks of Dow AgroSciences, DuPont or Pioneer and their affiliated companies or respective owners. FulTime NXT, Keystone LA NXT and Keystone NXT are federally Restricted Use Pesticides. Keystone LA NXT and Keystone NXT are not available for sale, distribution or use in all states. Keystone LA NXT and Keystone NXT are not available for sale, distribution or use in Nassau and Suffolk counties in the state of New York. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Do not fall-apply anhydrous ammonia south of Highway 16 in the state of Illinois. Always read and follow label directions.