Early management of mulch garlic early spring
1. Increase the ground temperature. Before the garlic enters the greening period, it should be based on increasing the ground temperature. It is necessary to remove the coverings on the membrane, such as leaves, crop straws, dead garlic leaves or dust, and clean the membrane surface to increase the transparency and increase the ground temperature. . The damaged mulch should be repaired in time to increase the heat preservation and warming effect, and promote the mulch garlic and return to green early.
2. Fertilizer management. After entering the horror and thrifty, choose 3 to 5 days of sunny morning watering and topdressing, combined with watering and applying 20 kg of fertilizer + 15 kg of nitrogen and potassium fertilizer. In case of special drought, watering can be done once in late March. In principle, do not water too early, otherwise it may cause disease or secondary growth of garlic. After each watering, it is necessary to cultivate in time to raise the ground temperature and protect the roots. If there is a yellow tip phenomenon in the leaves before and after the Ching Ming Festival, it is necessary to carry out the second top dressing in time, with quick-acting nitrogen fertilizer as the main factor, and the use amount of mu is 20 kg.
3. Prevention and treatment of diseases. After the garlic enters the greening period, choose the sunny afternoon leaf spray to protect the resistance. Garlic leaf blight and gray mold are common diseases of garlic in spring. At the beginning of the disease, there are white dots on the tip of garlic or pale brown oval-shaped lesions on the surface of the leaves. When the disease is serious, the leaves die, the base rots, and the garlic plants fall. . It should be timely treated with 50% carbendazim 800 times solution or 20% powder rusting 2000 times solution spray.
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