A field of Kernza, center, grows Tuesday, July 28, 2026, at a farm in Halstead, Kan. (AP Photo/Joshua A. Bickel)

David Mueller kneels down in one of his Kernza fields Tuesday, July 28, 2026, at his farm in Halstead, Kan. (AP Photo/Joshua A. Bickel)

David Mueller pulls a Kernza seed out of its husk Tuesday, July 28, 2026, at his farm in Halstead, Kan. (AP Photo/Joshua A. Bickel)

Unharvested wheat affected by extreme weather sits in a field Wednesday, July 29, 2026, in Beloit, Kan. (AP Photo/Joshua A. Bickel)

Perennial wheat grows in a research field Tuesday, July 28, 2026, at The Land Institute in Salina, Kan. (AP Photo/Joshua A. Bickel)

Unharvested wheat affected by extreme weather sits in a field Wednesday, July 29, 2026, in Beloit, Kan. (AP Photo/Joshua A. Bickel)

Kernza grows in a farm field Tuesday, July 28, 2026, in Halstead, Kan. (AP Photo/Joshua A. Bickel)

Perennial wheat grows in a research field Tuesday, July 28, 2026, at The Land Institute in Salina, Kan. (AP Photo/Joshua A. Bickel)