1, retreat trim. According to the tree age, growing trend, determining the pruning method and degree, the tree crown can be adjusted by using sparse, short, and shrinking pruning methods. Thinning of the upper and middle branches of the canopy to cover large branches and dense and weak branches, cross branches, and disease and insect branches to achieve the purpose of opening skylights and bright side windows; the result of the short section of the branches; the tall citrus trees of the canopy should be 2/3 higher in the canopy Pruning is performed at the site to reduce the canopy, promote new shoots, and increase the overall tree vigor. 2, change the soil expansion points. Plow the tree tray and loosen the soil. Dig 0.4 to 1 meter deep and about 1 meter wide on the outside of the canopy drip line to deepen the pressure of organic fertilizer (composted weeds and crops). About 25-50 kilograms of rods, farmyard manure, etc., and the use of soil fertilization to thicken the root soil layer, to change the permeability of the root soil, increase soil organic matter content, increase the effective range of root activity. Conditional orchards should be covered with tree trays during the drought and winter season. 3, out of updates. For the weak orchards in the orchard, the main and root systems have been damaged, the leaf curtains are extremely thin, and the pests and diseases have been seriously damaged. The fruit trees that can no longer be reconstructed will be eradicated and the same varieties or varieties of the same type will be planted to ensure the integrity of the orchards. The rejuvenation tree should be applied to compound tree fertilizer in the mid-March, July and mid-July, and mid-September. At the same time, uric acid, potassium dihydrogen phosphate and boron fertilizer should be applied outside the root in the middle and late April and early May. Hydrogel,Solosite Gel,Hydrogel Gel,Collagen Hydrogel Roosin Medical Co.,Ltd , https://www.roosinmedical.com
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