palmer amaranth weeds in a field

Herbicide-resistant weeds changing farm practices

Resistant weeds are driving U.S. farmers to actions like manual weeding

Arkansas has been ground zero for herbicide-resistant weeds. For instance, the state is second only to Australia in the amount of herbicide-resistant ryegrass in wheat. “We’re actually running out of herbicides, making it difficult for us to even grow wheat in Arkansas, because of the levels of resistance that we have,” said Dr. Bob Scott. […] Read more