The citrus trees planted in many places after the twelfth lunar month were subjected to different degrees of freezing damage. The leaves, branches, buds, trunks, etc. were all frostbittened, frozen, and even frozen and seriously affected the normality of the citrus trees. Growing, threatening the flowering results next year. After the temperature rises, it is necessary to carry out leaf topdressing several times to speed up the return to normal growth, in order to ensure normal flowering results next year.
Specific method of top dressing: When the temperature rises after the cold wave, the new high-fat film is sprayed 600 times night, which can automatically form a polymer protective film that is invisible to the naked eye to optimize the water absorption, breathability and light transmission quality of the plant. Block pests and sputum signals and weaken the media to resist and defend against natural environmental disasters. At the same time, the frozen citrus tree must be topdressed and topdressed, and 0.3% potassium dihydrogen phosphate and photosynthetic nutrient film fertilizer should be sprayed every 7-10 days, and sprayed 3-5 times continuously to evenly spray all the branches and leaves inside and outside the canopy. It is advisable to start with drops of water. It should be washed again with rain after four hours of spraying, and should be sprayed again to improve the effect of foliar topdressing.
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