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1.在将洋葱鳞茎水培养之前,必须先将鳞茎根部原有的老根除掉,可加快根生长速度。但要避免破坏根部大块分生组织。因此,使用的刀片要锋利,动作要细致,不致使切口过大过深。
1. Before water culture of onion bulbs, the old roots of bulb roots must be removed to speed up root growth. But to avoid damaging the root mass meristem. Therefore, the blade used must be sharp and the movement must be careful so that the cut is not too large or too deep.