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冬天如何挖蚯蚓
更新时间: 2020-10-26 00:00:00  

蚯蚓,环节动物门寡毛纲类动物的通称。身体呈圆柱形,两侧对称,具有分节现象,由100多个体节组成,在第十一节以后,每节的背部中央有背孔,无骨骼,体表覆盖一层薄角质层。除身体前两节外,其余各节均具有刚毛,雌雄同体。冬天采集蚯蚓:1.挖掘法。选择腐殖质丰富、土壤肥沃、湿润、疏松的地方,用铁铲翻土采集;2.灌水法。利用蚯蚓怕水的习性,向蚯蚓数量较多的土地灌水,蚯蚓会从土内钻出来;3.拾取法。蚯蚓喜栖黑暗环境,每逢晚上下雨,可在凌晨三至四点钟时,到土地手持电筒拾取;4.诱捕法。蚯蚓喜食新鲜饲料,将发酵的饲料堆在蚯蚓较多的土地,三至五天后,即可用铁铲翻开采集。

关键词: 冬天 如何 蚯蚓

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