Farmers are looking beyond herbicides as resistant weeds continue to plague many Midwestern fields.

Iowa State University Extension weed specialist Prashant Jha says the tools to combat weeds are limited.

“Like when we deal with soybeans with glyphosate and PPO resistance, waterhemp populations are a concern. So there is a good bit of acceptance here in Iowa (by) producers regarding using some cultural strategies, and mechanical strategies even.”

He tells Brownfield row-crop cultivation can be effective, and cover crops have shown promising weed suppression.

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