The orange tree pruning can be performed when the spring buds are germinated. The pruning is mainly based on short cuts, and the result of the long-term decline of the mother branch and the result branches and delicate vegetative branches are short-pile, which can promote the emergence of new shoots and re-flowering results. At the same time, the large branches of the canopy at the top of the canopy show signs of recession, and thinning can be performed from the branches. Generally, 3 to 4 trees are cut between each tree. After the crown has been crossed, a retractive pruning method is used to cut off the cross branches, the overlap branches, the weak result mother branch and the result branch.
Pruning must be combined with fertilization and spraying to prevent pests and diseases. Fertilization can be controlled in the rain, or before the spring shoot germination before and after re-application of a quick-release nitrogen fertilizer, to restore the tree vigor, protect the leaves and the accumulation of nutrients for flower bud differentiation has a good effect. However, it should be noted that irrigation should not be performed after fruit harvesting so as to avoid lowering the concentration of nutrients in the tree and adversely affecting flower bud differentiation. Pest control is mainly crickets, which can be sprayed with 15 to 20 times of pine sulphur mixture or 0.5 to 0.8 Baume of lime sulfur or 200 to 250 times of detergent powder.
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