秸秆是农作物的重要组成部分,约占生物产量的一半。既含热能,也含有多种营养物质、矿物质和有机质等,是一大生物资源。但是,在我区大多被烧掉或烂掉,未能充分合理利用。如何合理利用秸秆呢? 小里村63岁的郭重老汉家就是一个好的典型。他一家五口,1982年用800元买了头奶牛,春夏割青草,冬季用玉米秆、豆秧喂奶牛,牛粪沤沼气,用沼气做饭、煮食,沼气渣液上地肥田,把秸秆利用了三次。两年后,奶牛增值到2900元:烧沼气一年节约 Straw is an important part of the crop, accounting for about half of the biological output. Contains heat energy, but also contains a variety of nutrients, minerals and organic matter, is a major biological resources. However, most of my area is burnt or rotten, failing to make full and rational use. How to make rational use of straw? Small village 63-year-old Guo heavy old man is a good example. His family of five, in 1982 with 800 yuan to buy a head of cows, spring and summer cutting grass, winter with corn stalks, bean seedlings feeding cows, cow dung biogas, cooking with biogas, cooking, biogas residue on the liquid fertilizer, Use the straw three times. Two years later, the cow added value to 2900 yuan: a year to save gas burning