Explanation of rotating nouns

Rotation is a measure combined with land cultivation, which is not only beneficial to the balanced utilization of soil nutrients and the prevention and control of diseases, pests and weeds, but also can effectively improve the physical and chemical properties of soil, adjust soil fertility, and finally achieve the goal of increasing production and income.

Rotation refers to planting different crops or multiple cropping combinations alternately between seasons and years in the same field. For example, soybean → wheat → corn, which is a single-season rotation during the year; In the case of multiple cropping for more than one year, there are both annual rotation and annual crop replacement, such as green manure-rice-rice → rape-rice → wheat-rice-rice rotation in the south, which is composed of different multiple cropping methods, so it is also called multiple cropping rotation.

The naming of rotation depends on the composition of the main crops in rotation, and the named crop group should account for more than 1/3 of the rotation area. Common crop rotation, crop rotation, grain crop rotation, flood and drought crop rotation, grass field rotation, etc.