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江蘇省南通縣墾南公社四大隊(duì)自一九七三年開始,采取分戶改建小型兩隔三池的方法進(jìn)行糞便管理。這個(gè)大隊(duì)共有7個(gè)生產(chǎn)隊(duì),248戶,改建小型兩隔三池廁所共218只,糞肥實(shí)行了統(tǒng)一管理。建池方法是在社員原來的廁所里新筑一個(gè)小的圓形糞池,中間砌一隔墻,分別作為一池和二池,利用社員原有敞口糞池加筑頂蓋作為第三池。一池與二池之間、二池與三池之間各砌一個(gè)12×24厘米煙囪樣的過道,開口于下三分之一處。
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