“倒茬如上粪”,“茬口不换,丰年变歉”。轮作是指在一块地上按一定顺序轮换种植几种作物.倒茬,仅指上一年作物收获后,改种另一种作物。换句话说,倒茬是初级的轮作,轮作是有固定计划的倒茬。农业生产有连续性,它要求我们既要注意当年丰收,又要考虑持续增产。为此,必须把用地和养地结合起来。实行合理轮作,配合相应的土壤耕作和施肥,使土地用中有养,边用边养,实现持续增产。 “Inverted stubble on the above feces”, “stubble change, harvest years apology.” Cropping refers to the rotation of several crops on a certain ground in a certain order, which refers only to the conversion of another crop after the harvest of the previous year. In other words, the stubble is the primary crop rotation and the crop rotation is the stubborn one with a fixed plan. Continuity in agricultural production requires that we not only pay attention to the harvest of the year, but also consider continuing to increase production. To this end, we must combine the use of land and raising land. The implementation of reasonable rotation, with the corresponding soil cultivation and fertilization, so that the use of land in the home, while using the side support, to achieve sustained production.