What should I do if the sugar oranges have a large skin thickness? Recently, some southern netizens have consulted their own sand-sweet orange fruit knots, and the fruit quality is not very good after comparing the skins of the fruits. This situation is likely to be related to grafting rootstocks. Fruit trees of sour orange rootstocks tend to be too large; and the concentration of 920 is too high, which may result in unsatisfactory linings.

If the sugar orange is high-yield and high-quality, it must be done with the inner lychee:

First, after picking fruit or 1 month before fruit picking, spray the paclobutrazol on the inner litchi shoots (easy residue, pay attention to the long safe interval of harvesting) + high-phosphorus high-magnesium foliar fertilizer to promote flowers, inside and outside Need to spray through the wet.

Second, in December, the fruit tree is properly rooted, and three 1 cm thick main roots can be broken.

Third, the "Twisted Twist" of the long branch is not pruned to suppress the top advantage.

Fourth, when the foliar spray is usually applied, less cytokinin is added.

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