After the winter eel shed, generally about 25 days can emerge. After emergence, the temperature in the shed should be 20 degrees Celsius to 25 degrees Celsius during the day and should be kept warm at night. When the seedlings grow to a height of 6--7 centimeters, they will be soiled once and the height of the soil will be 3--4 centimeters. When the seedling grows to a height of 10-15 cm, the soil is cultivated a second time. The height of the soil is 6--7 cm. After 2-3-3 times, the root of the leeks has become a mound and the rows have become ditch. At this time, the temperature in the shed should be maintained at 15 degrees Celsius to 20 degrees Celsius during the day and 3 degrees Celsius to 5 degrees Celsius at night. When the height of leeks grows to 20-25 cm, it is usually around the New Year, and the first leeks can be harvested. The best time to harvest is on a sunny morning. Uncover the plastic film and harvest it from the base of the leek with a leek knife. After harvesting the first leek, we should immediately pick out the broken leaves and weeds with iron sorghum noodles, and continue cultivating for 2 - 3 times until the soil surface is loose, and then we will cover the sheds to produce the second leek. After about 7-8 days, the second leeks sprouted. Wait until the height of the seedlings is 6--7 centimeters, and then earth the soil for the second time in about 15 days. In this way, you can harvest the second meal before and after the Spring Festival.
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