Due to the different climatic conditions in different parts of the country, planting stubble should be arranged reasonably according to the local planting and climatic conditions and the needs of consumers. Taking North China as an example, it is suitable for open planting in spring and autumn and protected planting in spring, autumn and winter. The specific time is as follows: spring field protection 65438+ February ~ 65438+February ~ April ~ May spring field protection February ~ March ~ April ~ May ~ June autumn field protection July, mid-August, mid-September ~ 65438+early September autumn field protection 65438+