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如何自制蔬菜杀虫剂杀灭蚜虫

更新时间: 2020-09-16 00:00:00     

自制蔬菜杀虫剂杀灭蚜虫的方法:

1、取紫皮大蒜0.5千克,加水少许浸泡片刻,捣碎取汁液,加水稀释10倍,立即喷洒消灭蚜虫;

2、取桔皮3个,用温水浸泡在茶杯里,加盖闷上一昼夜,每天用汁液喷洒,或者用香烟头泡水,对有虫的地方进行喷涂;

3、把桃叶加水浸泡一昼夜,加少量生石灰过滤后喷洒;

4、把烟草磨成细粉,加少量生石灰撒施,可收到良好的防治效。

关键词: 如何 自制 蔬菜 杀虫剂 杀灭 蚜虫

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