The number of stems with glossy top cutting surface ( X ) was in highly significant correlation with topside bud length ( Y) .
参试材料的上切口平滑枝数（X）与顶侧芽长度（Y）均呈极显著相关关系。
Conclusion: Picking bud plays an unimportant role in the production of Fengdan bark, while cutting old branch has significant influence on it.
目的：通过对安徽南陵栽培凤丹进行摘花蕾和砍老枝的技术处理，提高凤丹根皮的产量。
Feasible cutting time for producing alfalfa leaf meal was bud appearing to 10% flowering phase.
生产紫花苜蓿叶粉适宜刈割期为现蕾至10%开花。
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