1. Into the shed insulation. All those who can enter the shed will enter the shed to keep warm, cover the shed film in time, prevent the intrusion of cold air, and reinforce the shed. If there is no condition for entering the shed, cover and heat the plastic film or straw or chaff in time.
2. Warm up fill light. In view of the current weather of freezing and freezing rain, we should pay attention to timely heating and supplementing light, especially for high-grade flower seedlings that are native to tropical and subtropical high temperatures. The temperature should be maintained above 12°C, and other flowers and seedlings should be maintained at around 8°C. , The minimum is not lower than 5°C, and the light is given in time, the light intensity is maintained at about 20,000 lux, and the lighting time is controlled according to the growth characteristics.
3. Strengthen management. Clean up the snow and frost on the top of the shed in time to reinforce the support and prevent the collapse of the shed. The field should remove the frost on the plants in time (lightly shake, lightly tap with a soft bamboo to shake off), and carry out earthing and drainage.
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