> Maybe, they can take some portion for local use. But the rest will spoil, and rest of the land will be effectively unused, and a burden. The best option is to cut that as much as possible, and plant something else that actually sells.

A negative of the subsidy is that the farmland is not going to hit the market at a much lower rate. That raises the bar for entry into farming or at least keeps the bar at some level higher than the market would have had it.