In winter, for the farmers, in addition to the body itself to do a good job of cold and warm work, the crops must also do a good job of cold protection and prevent freezing, to prevent the adverse effects of low temperature frost. Agricultural experts give a few tips:
For different crops and different growing seasons, it is necessary to strengthen field fertilizer and water management, promote crop growth, and improve cold resistance.
For open crops, clean up the ditch in time for drainage, reduce the groundwater level can effectively prevent freezing damage, and at the same time combine with the ditch, the mud will be cultivated in the roots of the crop, and play a role in protecting the seedlings.
For the greenhouse facilities, measures such as covering straw, non-woven fabrics, shade nets or multi-layer coverings, etc., can be adopted to insulate the plants. At the same time, ventilation and air-conditioning can be applied at a proper time, and general tree-spraying and protection can maintain the plant's own temperature and prevent the occurrence of diseases. A new layer of high-fat film is formed on the seedlings and nursery areas of the vegetables to form a layer of polymer film, covered with a small arch cover film, or covered with straw and so on.
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