Soybean leaves showing evidence of damage from dicamba. Thousands of acres of soybean fields have shown this kind of damage this spring.
Credit: the University of Arkansas

Arkansas’s pesticide regulators have stepped into the middle of an epic battle between weeds and chemicals, which has now morphed into a battle between farmers. Hundreds of farmers say their crops have been damaged by a weedkiller that was sprayed on neighboring fields. Today, the Arkansas Plant Board voted to impose an unprecedented ban on that chemical.

“It’s fracturing the agricultural community. You either have to choose to be on the side of using the product, or on the side of being damaged by the product,” says David Hundley, who manages grain production for Ozark Mountain Poultry in Bay, Arkansas.

The tension — which even led to a farmer’s murder — is over a weedkiller called dicamba. The chemical only became a practical option for farmers a few years ago, when Monsanto created soybean and cotton plants that were genetically modified to survive it. Farmers who […]