That might sound appealing, but economics isn't with you here.
In addition, the farmland in eg the US isn't going away, just because you drop subsidies and tariffs from corn. People will just grow something else there, when corn isn't as profitable anymore.
In addition, the farmland in eg the US isn't going away, just because you drop subsidies and tariffs from corn. People will just grow something else there, when corn isn't as profitable anymore.
(Or the land might drop in value.)