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刘雷先生的《北方繁殖苏铁的好方法——叶基鳞片扦插法》一文在本刊第4期发表后,有读者提出了一些具体的技术问题,刘雷先生就此再度撰文如下。
Mr. Liu Lei’s “A Good Way to Spicy Cycas in Northern China - Foliar Scale Cuttings” After his publication in No. 4, some readers have put forward some specific technical problems. Mr. Liu Lei re-wrote the following again.