Decades ago Roundup systemic herbicide was a breakthrough ag chemical that killed all weeds. Monsanto later developed crops that were immune to Roundup so fields could be sprayed “over the top”, further boosting sales. Since then Roundup-resistant weeds have arrived and now to kill all weeds a new more powerful herbicide has been created, Dicamba (sometimes shown as Roundup Xtendimax), along with Dicamba tolerant crops (corn, soybeans, cotton).
See all the label approved nozzles from Hyro HERE.