墨爾本華人常青大學教授園藝的李家賢老師要回答一位聽眾的提問，給大家介紹如何自制無毒殺蟲劑，預防、消滅菜園裡大嚼菜葉的菜青蟲。
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李家賢：自制殺蟲劑 消滅菜青蟲
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墨爾本華人常青大學教授園藝的李家賢老師要回答一位聽眾的提問，給大家介紹如何自制無毒殺蟲劑，預防、消滅菜園裡大嚼菜葉的菜青蟲。
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By Yin Wu
Source: SBS
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Published
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Source: SBS
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