1, planting time

Onions are usually sown in spring and autumn, and spring shaking is mostly carried out in February-March. At this time, the climate is warm and the sunshine is soft, which is conducive to the germination of seeds. The autumn sowing time is from September to 65438+ 10, and the seeds can not be harvested until April-May of the following year. Pay attention to warm measures when sowing in autumn.

2. Land selection and fertilization

Before planting onion seeds, you should choose soft and well-drained soil, then dig deep and apply sufficient base fertilizer. Generally, 3000 kilograms of organic fertilizer is applied to each mu of soil. After fertilization, the soil should be deeply turned, and then leveled for border tillage.

3. Sowing and planting

Plant onion seeds by drilling or sowing. Generally, it is necessary to keep the distance of 10 cm when drilling a well, sow the seeds evenly on the soil, then cover the soil with the thickness of 1.5-2 cm, and water it to keep the soil moist. Pay attention to transplanting and planting after 40-50 days of sowing.