江苏省南通县垦南公社四大队自一九七三年开始,采取分户改建小型两隔三池的方法进行粪便管理。这个大队共有7个生产队,248户,改建小型两隔三池厕所共218只,粪肥实行了统一管理。建池方法是在社员原来的厕所里新筑一个小的圆形粪池,中间砌一隔墙,分别作为一池和二池,利用社员原有敞口粪池加筑顶盖作为第三池。一池与二池之间、二池与三池之间各砌一个12×24厘米烟囱样的过道,开口于下三分之一处。
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