1、 Prepare basin soil
Prepare suitable soil before planting. It likes loose, rich in organic matter, fertile and water retaining soil. When preparing, you can mix sand, compost and rotten leaf soil, and add an appropriate amount of bone meal and organic fertilizer as the base fertilizer to improve the fertility, so that you can grow more vigorously in the later stage p>
2、 Planting time
When planting, we should also choose a suitable time, which can be carried out from July to September every year. However, it is more recommended to choose in the middle and late August, when the survival rate of planting is higher and the growth rate of seedlings will be faster p>
3、 Seed selection and soaking
When planting red onion, bulbs are selected for planting. The onion with large, good shape, solid and no damage should be selected. In addition, seeds should be soaked before planting. You can soak them with carbendazim for about 5-10 minutes. After soaking, take them out for planting p>
4、 Planting in soil
When planting, pay attention to the depth. Don't bury it too deep. The depth is about two-thirds of the onion. After planting, water and wet the soil. Pay attention to heat preservation in the later stage. Seedlings will grow in about 7 to 15 days. After the seedlings sprout, maintenance measures should be taken to provide a suitable environment to ensure more vigorous growth p>