Farmers know that soil needs rest, so they rotate their crops and systematically leave a portion of their land fallow.
农夫们知道土地是需要休息的，因此他们轮流种植农作物并系统地留一部分土地休耕。
2
Nutrient concentration ofsoil loss under covered with vegetation over the fallow.
顺坡种植油菜-花生处理，坡面流失泥沙钾、磷养分浓度高于休闲裸坡处理。
3
Key point of the technique is to solve water shortage during winter wheat growing period by collecting water from peak rainfall in summer fallow season and storing it in the soil bank.