条件筛选
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Detailed Explanation of Mango Top-Grafting and Re-Varietying Methods and Technical Points
I. Pre-Grafting Preparation Before re-varietying, strengthen fertilizer and water management for the trees to be re-varietyed. Prune the above-ground part appropriately, removing diseased branches, dead branches, shaded branches, overly dense branches, and crossing branches; for large perennial trees, saw off the main and side branches in spring or autumn at 1.2-1.5 m above the ground (saw in spring and graft in autumn, or saw in autumn and graft the following spring)...