论文部分内容阅读
“站在阜阳往北看,一溜三个牛羊县,蒙城、利辛还有涡阳县。”这句民谚道出了亳州规模化畜禽养殖特色产业所在,这个产业也产生了大量的畜禽排泄物和各种养殖废弃物。畜禽养殖业的污染不仅仅是随意排放的畜禽粪便产生的恶臭气体,养殖场将未经处理的高浓度有机废弃物集中排放沟河后,大量消耗水体中的溶解氧,使水面变黑发臭,大量的病原微生物进入水体污染水源,威胁村民身体健康。粪便所倒之处田地发黑、
“Standing Fuyang north to see, a slip three cattle and sheep counties, Mengcheng, Lixin and Guoyang County.” This sentence proverbs that the characteristics of Bozhou large-scale livestock and poultry industries, the industry also produced A large number of livestock waste and all kinds of farming waste. The pollution of livestock and poultry breeding industry is not only the malodorous gas produced by the excrement of livestock and poultry excreted randomly. After concentratedly discharging untreated high-concentration organic waste into the ditch, the farm consumes a large amount of dissolved oxygen in the water and blackens the surface of the water Smelly, a large number of pathogenic microorganisms into the water pollution of water sources, threatening the health of villagers. Where the stool fell to the ground black,