Prepare suitable soil before planting.It likes loose, rich in organic matter, fertile and strong water retention capacity of the soil.When in preparation, sandy soil, compost soil, humus soil and the like can be mixed, and a proper amount of bone meal and organic fertilizer can be added as base fertilizer to improve the fertility, so that the growth can be more vigorous in the later period.
It is also necessary to choose a suitable time for planting. It can be carried out between July and September every year, but it is more recommended to choose the middle and late August, when the survival rate of planting is higher and the growth rate of seedlings will be faster.
When planting red onions, bulbs are selected as seeds, and onions with large, good shape, solid and no damage should be selected.In addition, before planting into the soil, seed soaking treatment should be carried out, carbendazim can be used to soak for about 5-10 minutes, and after soaking, it can be fished out for planting.
When planting, pay attention to the depth, can not be buried too deep, the depth is about two-thirds of the onion.After planting, water and moisten the soil, pay attention to heat preservation treatment in the later period, and seedlings will grow between 7 and 15 days.After sprouting, maintenance measures should be taken to provide a suitable environment to ensure more vigorous growth.
