Chapter 685: Is that it?

fertilizers and irrigation techniques saw significant advancements, such yields were basically the limit.Throughout the entire feudal period, the grain yield per mu of land basically remained stable w...Chapter 685 Is that allther, keeping each other in check and overseeing one another. There wouldn't be any need for Li Chen to do anything more.This benign competition is exactly what Li Chen aims to achieve.And he could i...