Soil culture of onions can be carried out in spring or autumn. The epidermis of sterilized onions is removed and sown in loose, nutrient-rich, sandy loam with good ventilation and drainage properties. During the maintenance period, the temperature should be stable between 20 and 35 degrees, and the plants should be given sufficient light and water during the growth period to promote the growth of the stems and leaves of the plants. How to grow onions in soil

Onions are onions and are very common vegetable plants. The main propagation method of plants is sowing, which is generally suitable for sowing in early spring or autumn. . Before sowing, you can select plump onions with top sprouts and use carbendazim to sterilize the onions. After treatment, prune the root system of the plant appropriately and remove the outer layer of skin.

Onions have strong adaptability and are not picky about the soil. They can be grown in neutral soil or sandy loam with loose, breathable and good drainage properties. Conducive to the growth of plant root systems. It can be planted in a flower pot or in soft soil. When sowing, the roots of the plant can be buried in the soil, and the bulbs can be exposed, and leaves can grow later.

After planting onions, it is necessary to control the growth temperature of the plants. The temperature is between 20 and 35 degrees, which can promote the growth of the plants. Plants like light. During the maintenance period, the plants can be placed outdoors in a sunny location for maintenance, which is beneficial to the growth of the plant's stems and leaves. The plant is not tolerant to sunlight. During summer, the plant can be moved to a cool and ventilated location.

The root system of onions has a weak ability to absorb fertilizers. The plant does not have particularly high requirements for fertilizers. It should be cultivated in soil that is rich in nutrients and contains nitrogen, phosphorus and potassium. It does not require Too much fertilizer. During its growth period, the plant should be watered appropriately. Depending on the growth of the plant, water can generally be watered once every 3 to 5 days to keep the soil moist as much as possible.