First, the precautionary measures before the typhoon
1. Harvest fruit. The fruit that has matured or is about to mature, seized and harvested, and reduced losses.
2. Strengthen the tree. The tree is supported by bamboo and other supports; the result is a pillar in the middle of the canopy, and the rope is tied to the pillar to pull the result branch.
3. Ditch and prevent sputum. Clean up the orchard ditches to keep the drainage clear and prevent damage. 4. Set up a windproof net. On the windward side, hang a wind net such as a fishing net or a nylon net to reduce the wind speed, or cover the canopy with a windproof net to make the whole body shake in the wind to reduce the harm.
5. Pruning and spraying. The branches and leaves are too lush, and some of the branches and leaves are cut off. Fruit trees that are susceptible to disease after rain and wind, spray protective insecticides such as mancozeb before typhoon.
Second, after the typhoon treatment measures
1. Timely drainage. Ditch and drain the water, drain the water in the park as soon as possible, and reduce the humidity of the soil and air. Orchards with seawater infusion should be irrigated with clean water in time to reduce salt damage.
2. The orchard is clean. The orchard flooded in the tree body, immediately rinse off the silt and stains on the tree with water; remove the garbage hanging on the tree, clean the branches, leaves, fruit, etc., and fill it in or burn it.
3. Orchard disinfection. Carry out a comprehensive sterilization and disinfection of the orchard, spraying the fungicide on the tree up and down, inside and outside, and on the ground without dead angle, such as Bordeaux mixture, stone sulfur mixture, copper hydroxide, thiazole zinc, allicin, methyl Tobuzin, etc., but pay attention to the suitability of tree species for fungicides.
4. Strengthen and organize the tree. Put the fallen fruit trees to the right, strengthen and cultivate the soil, and pay attention to avoid breaking the roots when the righting is correct; cut off the broken branches, remove the heavy fruits, and apply the protective agent to the large wounds. If the root system is damaged, remove some or all of the fruit if necessary, cut off some or most of the leaves, and expose the branches to white paint to prevent sunburn.
5. Orchard loose soil. Timely orchard loose soil, improve soil aeration and accelerate soil moisture reduction. However, it should be noted that the orchard loose soil in the fruit expansion period should not be too deep, so as to avoid too much root damage and affect the fruit expansion.
6. Fertilization in the orchard. In combination with the spraying of the tree body, 0.2%-0.3% foliar fertilizer is added; after the soil is dried, 2-3 times of thin compound fertilizer or decomposed farm liquid fertilizer is applied.
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