yields were basically the limit.Throughout the entire feudal period, the grain yield per mu of land basically remained stable with little fluctuation. It all relied on manual tilling and the seeds u...轉碼失敗！請您使用右上換源切換源站閱讀或者直接前往源網站進行閱讀！nt domestic situation is precarious, and wars with enemies at the borders and in the north are imminent."We have won, we are the court's valued soldiers, and we still haven't had the opportunity to be...