Answer: Pruning of citrus before winter and spring must be done after fruit picking and before spring germination the following year. Freezing damage is usually carried out in mid-February. Juvenile trees should be lightly cut, and purposely cultivate 3 to 5 main branches with even distribution. Sub-main branches should be reasonably arranged on the main branches, and the main branches should be kept extended to eliminate the clumps, dense branches, diseased and insect branches, The late autumn shoots were cut off; the resulting tree was pruned using the technique of "one opening, two sparse, three shrinking". Saw the upright branches, open the skylight to reduce the crown height; thin out or cross the large branches, use the rope to open the upright branches to open the canopy; cross-sealed the trees, shrink and renew, leaving 20 cm between the rows of shrinkage. Create a highly productive tree shape that is airy and light, with three-dimensional results.
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