Man-made or improper technology causes fallen leaves that are caused by mistakes in the technical and operational process of the fallen fruit. Such as fight drugs, arbitrarily increase the multiples of the drug, resulting in damage caused by defoliants; fertilizer process, excessive concentration and the use of quick-acting fertilizers (especially nitrogen fertilizers), the formation of fertilizer-induced defoliation; again in the orchard operations, pull sticks when the branch, Hard leaves can be caused by hard technology.

The prevention approach is:

(1) When fighting drugs, do not avoid rough estimates and plan to take care of them. Always apply pesticides according to the range of pesticides and the minimum effective dose.

(2) Fertilizing process, depending on age, tree vigor, fruiting rate, cultivation conditions, fertilizer types, etc., increase or decrease as appropriate, do not over-fertilize and pay attention to fertilization methods.

(3) When operating in an orchard, it must be done carefully and standardly, and do not damage the branches and leaves.

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