一、管理粪便与改良厕所的意义人畜粪便中含有大量的水分和有机物,其中含有丰富的肥料成分如氮、磷、钾,是植物生长不可缺少的养料,能被农作物迅速吸收利用,是重要的有机肥料来源。但是粪便含有各种未消化的食物残渣,如纤维素、淀粉颗粒、蛋白质、脂肪、叶绿素等残存物,同时还含有大肠粘液,脱落的细胞和 First, the management of manure and improve toilet significance Human and animal manure contains a lot of water and organic matter, which is rich in fertilizer ingredients such as nitrogen, phosphorus and potassium, is an essential nutrient for plant growth, can be rapidly absorbed by crops is important Organic fertilizer source. However, the excrement contains a variety of undigested food residues such as cellulose, starch granules, proteins, fat, chlorophyll and other residues, as well as colorectal mucus, shedding cells and