改变粪缸陋习开发沼气资源□张剑峰（浙江天台平桥中学）姚振璋（指导教师）我国是个以农立国的国家，为了发展农业，积蓄肥料，在江南农村几乎家家户户备有粪缸，少则一口，多到二口、三口，也许考虑到布置分散会扩大污染，粪缸在地域布局上以集中为主。毋庸置疑，这种积... Change Zhitou bad habits to develop biogas resources □ Zhang Jianfeng (Zhejiang Tiantai Pingqiao Middle School) Yao Zhenzhang (instructor) China is a country based on farming and country, in order to develop agriculture, saving manure, almost every household in the southern countryside with manure tanks, ranging from one, More to two, three, perhaps taking into account the dispersion will expand the layout of pollution, dung tanks in the geographical layout of the main focus. Undoubtedly, this plot ...