2. Planting bed: compost, blood meal or other organic substances are added to the plots with good drainage and sunlight all day to enhance soil fertility.
3. Planting: bulb planting depth is 2.5cm and bulb spacing is 5cm. Water after planting, and keep the temperature at 18-30℃, which is beneficial to germination.
Planting skills of scallion
1, refinement
After the seedlings germinate, it should be decided whether it is necessary to thinning seedlings according to the growth of seedlings. The spacing between mature onions is 5-7.5cm, and weak seedlings should be pulled out in time.
2. Root protection
In order to prevent the growth of weeds, the soil around the seedlings can be covered with grass clippings, pine needles or bark to make the soil moist evenly.
water
During the whole growth period of green onions, 2.5 cm deep water is poured every week to keep the soil moist.