The tree management and fertilization management of Hongmeiren citrus are similar to other citrus, mainly nitrogen fertilizer, and thin application is often aimed at cultivating tree types. There may be iron deficiency in coastal areas such as Zhejiang, so iron should be supplemented and chelated appropriately.
In the important fertilization period, for mangrove trees, the main fertilizers are base fertilizer, fruit protection fertilizer and strong fruit fertilizer. Apply base fertilizer before germination in spring or winter. Generally, organic fertilizer is the main material, and the application of organic fertilizer is mainly to ensure the beautiful quality. Medium and trace elements and compound fertilizer can be added to the base fertilizer, which is suitable for furrow application. When the spring shoots germinate or irregularly germinate, the sea elves should be drenched in time. The application of fruit-keeping fertilizer in May can be decided according to the situation of trees. If the trees are too energetic to fertilize this time, compound fertilizer is usually used.
Foliage fertilizer can effectively supplement much-needed mineral nutrition, which generally depends on nutritional status. For example, when there is iron deficiency, iron fertilizer should be supplemented, and when there is magnesium deficiency, magnesium sources and magnesium banks should be supplemented. Foliage fertilizer is usually mixed with pesticides. Spraying boron source bank and zinc source bank before flowering in spring, and spraying 1-2 times after flowering. Spraying calcium source bank and magnesium source bank during fruit period can prevent sunburn and reduce fruit cracking. Spraying foliar fertilizer during discoloration period can promote discoloration and increase sweetness.
Compared with other citrus varieties, Hongmeiren requires higher quality, so fertilizers such as organic fertilizer must be sufficient to ensure the quality of Hongmeiren citrus.
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