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Light snow to the beginning of winter QiaoToday (22 November) at 16:20 Usher in "light snow" solar term The weather is getting colder Put on your clothes to keep warm As the twenty solar terms in the twenty-four The arrival of light snow solar term It means the weather is getting colder Increasing precipitation
During light snow shed vegetables should pay attention to anti-freezing 1, open film transparent Under the condition that the temperature in the shed is not harmful to the crops, the plastic film can be opened for a moment at noon on a sunny day to make the shed crops transparent and warm. 2, artificial warming When the temperature of the shed is not fixed, fluorescent lamp, electric hot line, hot blast stove, coal furnace and so on can be used to supplement the light and increase the temperature of the shed. 3, foliar spray fertilizer Foliar spraying fertilizer for crops in sheds can supplement plant nutrition and enhance their cold resistance. 4. Cover the cold curtain According to the temperature and conditions, cover the cold curtain on the basis of the original thermal insulation facilities, can be used to thicken the cold curtain, such as straw curtain, quilt curtain. |
