Most farmland is controlled by super rich families or agribusinesses. Those guys are doing just fine. They get colossal subsidies, price supports, exemption from workplace safety laws, and so much more.
It's tough for the scattered few non centimillionaire farmers getting fucked by the food processing cartels, for sure.
But culture trumps economy, as a class they seem more preoccupied with white vengeance when it comes to voting day.