This thesis made a study on the cutting propagation of one breed of Hedera helix in July and august to solve the problem of high mortality in summer industrialized production.

  • 本文对洋常春藤品种白脉洋常春藤(Hedera helix‘pittsburgh’)在夏季7、8月份进行扦插繁殖进行研究,以解决夏季工厂化生产中存在的死亡率高的问题。

  • 互联网摘选 2025-02-05 18:40:57

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