Atrazine Herbicide Best Management Practices for the Little Arkansas River Wa…

Summary. Atrazine is used widely in the Little Arkansas River watershed for weed control in corn and grain sorghum. The herbicide provides cost-effective weed control and has wide application flexibility. In recent years there have been concerns about the levels of atrazine moving from corn and grain sorghum fields into surface waters. The movement of atrazine from crop fields is determined by…