As the temperature rises, the garlic enters the rejuvenation growth period; before and after the vernal equinox, it reaches the rotten maternal period (also known as the withdrawal period). Due to the continuous low temperature and dry weather in winter and spring, the growth of garlic is affected, the seedlings are poor, and the weak seedlings are more and more, and management must be strengthened.
The growth management of garlic cloves began to control onion fly and breeding fly in April, spraying once every 7-10 days, even spraying twice. From the end of April, control of garlic leaf blight, gray mold, etc., spray once every 10 days, spray 2-3 times before lifting. The mulch garlic should be removed after the “Qingmingâ€, after the temperature is stabilized, remove the film and weeds, apply 20 kg of diammonium or potassium fertilizer per acre, spray high-efficiency foliar fertilizer, and then pour water once. Note that the watering should be stopped one week before the lifting, in order to facilitate the lifting.
After the management of the garlic expansion period, watering is carried out once (10-15 kg of high-potassium fertilizer can be applied with water), and watering is 1-2 times according to the weather before harvesting to keep the ground moist, satisfying the late stage of garlic. The need, and spraying a disease-prevention drug, while spraying foliar fertilizer, consolidate the effect of garlic disease prevention, to ensure a good harvest of garlic.
The pests and diseases of garlic and pest control are mainly garlic stalks; the diseases include leaf blight, purple spot disease and viral diseases.
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