In most places that can grow corn farmers can also grow (and usually do - just in smaller quantities) soybeans, grain, rice, and hops. Also, if corn wasn't subs

In most places that can grow corn farmers can also grow (and usually do - just in smaller quantities) soybeans, grain, rice, and hops. Also, if corn wasn't subsidized so much we would probably see farmers make more room for cattle and other animals in the fields so they could eat grass and replenish the nutrients in the field rather than shoved in a barn somewhere.