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春季2—3月,选取海桐成年树树冠中上部1—2年生健壮枝,剪取长20—40厘米带有枝叶的插条,插于土质疏松肥沃,排水良好的苗地。
From February to March in spring, we selected 1 to 2 years old strong branches in the middle of upper canopy of adult tree of Pittropodon, cut 20-40 cm cuttings with branches and leaves, and cut them into fertile, well-drained and fertile land with loose soil.