After the grapes are harvested, it is necessary to preserve the leaves of the grapes and prevent them from falling off prematurely as an important management task.
After harvesting, the leaves are still undergoing photosynthesis and increase nutrient accumulation. Therefore, attention should be paid to the protection of the grape leaves, except for the leaves with diseases and pests and the leaves that have already been withdrawn, except for the leaves that should be retained as long as possible.
For those growing branches that are still growing, they should lightly pick their hearts and promote their ripening.
In order to promote tree vigor recovery, keep the leaves, prolong photosynthesis time, promote shoot ripening, fertilizer should be applied after good fruit, generally 15 kg of compound fertilizer applied in Mushi, 0.3% solution of urea, 2 to 3 times of extra-root fertilizer. A vigorous tree garden can be used less or not, to prevent new shooters and consume nutrients.
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