Since mid-December last year, due to the influence of strong cold air, citrus trees planted in many places have suffered from different degrees of freezing damage. Leaves, branches, buds, trunks, etc. have been frostbittened, frozen, and even frozen. It has seriously affected the normal growth of citrus trees and threatened the flowering results this year. After the temperature rises, it is necessary to carry out foliar topdressing several times.
When the temperature rises after the cold wave, the frozen citrus tree must be topdressed and topdressed, and 0.3% potassium dihydrogen phosphate, 600 times amino acid active liquid fertilizer, 1500 times 0.001% natural brassinolide mixture sprayed every 7-10 days. , or 800 times Xingpeng Phosphate Potassium No. 1, 1000 times Humic Acid Active Liquid Fertilizer, 1500 times Shengnongsu Chelating Fertilizer Mixture, sprayed continuously for 3~5 times, evenly spray all the branches and leaves inside and outside the canopy to start to have drops of water Drops are appropriate. If it is washed with rain within 4 hours after spraying, it should be sprayed again.
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