A: The fruit drop during this period is mainly due to the lack of nutrition of the tree itself. The vegetative growth of citrus is synchronized with the reproductive growth, and the tree consumes a large amount of nutrients. After the fruit is fixed, if the nutrients are not filled up in time, the fruit drop will occur easily, especially before harvesting. Therefore, before the citrus fruit setting and the strong fruit period, fertilizers should be applied to promote the autumn shoots and preserve the fruit and fruit. In addition, before and after the autumn shoots are taken out, as well as during the fruit-preserving period, the foliar fertilizer can be sprayed several times while spraying the pests and diseases, so that the fruits and trees can be supplemented in time. At the same time, pests such as ulcer disease, anthracnose, and scab disease, as well as pests such as spider mites, noctuids, and mites, should be prevented in time.
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