I wouldn't count on that. Sure, you can see increased productivity through farm automation, but that assumes that the farmer can afford said tools. Those that can might be able to grow more crops on less land, but they might be too preoccupied with paying the farm loan to go around buying-out their neighbors.

farmes are almost untochable, like in india but without voting power. nobody want 22% of its uneducated population making trouble in the cities. Hukou aka stict residential permits almost serve that purpouse