Kochia gaining upper hand

Kochia gaining upper hand

Tumbleweed plant is causing lower yields in areas where populations have become herbicide resistant.

WHILE it's known by the name tumbleweed, the weed kochia cuts into crop yields and farmers' profits, and it's becoming harder to control.

With roots that grow deep into the soil — as much as 16 ft. during drought — the kochia plant (Kochia scoparia) can grow to a height of 7 ft. and contains thousands of small, individual flowers. It saps much-needed moisture from cropland across the High Plains.

For 25 years, kochia and ot

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