Garlic overwintering cultivation method can effectively improve the survival rate and harvesting yield of overwintering garlic in the planting period. The garlic planted by this method can be increased from 1.5 to 18,000 per acre to 4.5 to 60,000 to achieve a reasonable close planting requirement. Increased land use rate, stable overwintering, no injury to the seedlings, the rate of seedlings after returning green reached more than 98%, and the yield increased by 40% to 50%. The content of trace elements was the same as garlic grown by conventional methods. Planting garlic by overwintering cultivation method is simple and easy to operate, and the production cost is low. When screening garlic seeds, the sandwiched garlic can be used for garlic yellow production, further increasing the economic benefits of planting, increasing the added value of agricultural products, and having a good promotion value. At the same time, under the premise of pouring frozen water, the temperature of fertilizer is 4 to 5 centimeters, that is, cow dung, and the mulching film is used to keep the soil warm and to fill the crack gap. In order to allow garlic to be marketed before the Spring Festival, the cold canopies can be added to the garlic planted 7 to 10 days after the soil is frozen to make the garlic early and improve the economic benefits of planting. The specific management method is as follows:
The garlic sprouts are watered once every 7 days, and garlic bulbs are watered for 4 days before harvest.
Garlic bulbs during the expansion of garlic harvest after 1 to 5 days per additional 2 to 3 kg of nitrogen fertilizer, potassium 2 to 4 kg, and watering every 5 to 6 days, 5 to 7 days before harvest water.
After the seedling management, the garlic seedlings grow three leaves and then postpone the seedling raising and weeding, and the cultivating and weeding are performed. The soil is poured and poured over the winter water. The temperature-fertilizer is 9 cubic meters per mu and the average thickness is 5 centimeters. The mulching is covered with the mulching film. , Filled with frozen crack gap, has reached the purpose of thermal insulation and protection.
The flower bud differentiation period of garlic flower buds gradually warms up in the beginning spring, and the film is uncovered and poured back to Qingshui once, and nitrogen fertilizer is applied 3 to 4 kg per mu.
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