墨尔本华人常青大学教授园艺的李家贤老师要回答一位听众的提问，给大家介绍如何自制无毒杀虫剂，预防、消灭菜园里大嚼菜叶的菜青虫。
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李家贤：自制杀虫剂 消灭菜青虫
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墨尔本华人常青大学教授园艺的李家贤老师要回答一位听众的提问，给大家介绍如何自制无毒杀虫剂，预防、消灭菜园里大嚼菜叶的菜青虫。
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By Yin Wu
Source: SBS
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Published
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By Yin Wu
Source: SBS
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