在約三尺高時，掐頂尖。在離地一尺以上留三到四枝次生蔓，長到四尺高時再掐尖，憋出孫蔓。原生蔓基本不結豆角。

來源: fuz 於 2020-07-22 19:57:58 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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