1. White coating Before the onset of frost, use 10 kg of quicklime, 1 kg of sulfur powder, 0.2 kg of salt, and 30 to 40 kg of water. Stir well, transfer it into a paste, and apply it to the trunk.
2. Watering or watering before freezing. Irrigation must be done before cooling down. When water is applied in combination with human excreta, the effect is better. After freezing, it is not appropriate to re-irrigation, so as to avoid freezing damage.
3 burying suitable for new planting saplings. Press the young tree to the north and bury it in the soil. The buried soil has a thickness of 30-40 cm. After burying it, the soil will be photographed. When the next year sprouts, the soil will be opened and the tree will be straightened.
4. Covering the winter In the winter around the tree plate with straw, straw and other materials cover 10 to 20 cm, or covered with plastic film, can increase soil temperature.
5. With a plastic film with a thickness of 0.03 mm, the film is cut into strips of 3 to 5 cm in width and 1 to 2 meters in length. The branches are bundled up and released in time before sprouting in the spring.
6. For saplings that are slightly larger and less likely to bend, build a half-moon-shaped earthworm that is 1 to 2 meters long and 60 centimeters high at 40 to 50 centimeters to the north to prevent wind and frost.
7. Laying the Grass Winter wheat, corn, millet and other crop stalks are tied to the trees and then released before spring sprouting.
8. Smoke is suitable for fruit trees or forests. Before the onset of the cold current, prepare flammable smoke, such as chaff, sawdust, and turf, every 10m, and ignite flammable smoke after 10 o'clock in the morning before the cold weather.
9. Post-freeze emergency measures 1 Shake off snow. The snow on the canopy must be shaken off or swept away with a long stick to prevent the snow from breaking the branches. 2 spray water cream. After the frost, it is necessary to hold it tightly before the defrosting. Rinse the frost that has condensed on the leaves with a sprayer with a rough sprayer to prevent the leaves from being exposed to sunlight, and the temperature changes drastically, resulting in dehydration and dead leaves. 3 Clear dead leaves. After the leaves are frozen, they will hang on the branches without falling. The leaves should be dropped or cut off in time to reduce the water loss of the tree and prevent the branches of green leaves from dying. 4 Irrigate promptly. After the tree has lost water after freezing, the roots and trees need water, so they should be irrigated and watered in a timely manner.
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