Methods to prevent frostbite on terrestrial vegetables:
First, actively cover the cold, can be directly covered with vegetables with thin plastic film, non-woven fabrics, straw, etc., must be removed when the weather is warm after the cold wave, so as not to affect photosynthesis.
The second is to create a fence to avoid the wind and cold, you can use the corn poles or roasting tobacco rods to dig small trenches into the fence, and set a fence every 5 to 6 畦.
The third is to ash and store heat and cold. It can be used to scatter a thin layer of ash on the vegetables and between the rows before the cold damage, or to spray the tree to protect the anti-freezing function of the generals.
The fourth is to protect the roots from the cold, and carry out the cultivating and cultivating the roots before the cold wave strikes to resist the low temperature freezing damage.
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