Vineyards might not be the first agrarian landscape to spring to mind when you think about Wisconsin, but a thriving wine and grape juice industry is emerging in the Badger State.

The problem is that a lot of the corn and soy grown nearby is genetically engineered to withstand herbicides. As Wisconsin’s farmers douse their crops with chemicals such as dicamba and 2,4-D, a lot of those herbicides are blowing over neighboring vineyards — a problem called pesticide drift.