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如何抓出水田里的螃蟹

更新时间: 2020-09-16 00:00:00     

程序:

1、在稻田地势较高且下风向处开挖一个坑,将一个直径为一米,高80厘米结实内壁光滑的水桶放入,桶沿稍低于地平面,切忌水流入;

2、夜晚用手电或者拉灯悬于桶上,河蟹发现点光源就会纷至沓来,掉入水桶中;

3、第二天早上戴手套抓即可。

关键词: 如何 水田 螃蟹

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