论文部分内容阅读
农作物秸秆是粮食作物和经济作物生产中的副产物,其中含有丰富的氮、磷、钾、微量无素等成份,是一种可供开发和综合利用的宝贵资源。安徽省宣城市宣州区是一个农业大区,年水稻种植面积73330hm2,油菜和小麦种植面积26670hm2,据测算,全区每年可产农作物秸秆61．8万t左右。但目前全区对这些秸秆的开发利用率很低,大量的秸秆都在田间焚烧,既造成了严重的大气污染,破坏了生态环境,影响了道路交通安全,又浪费了宝贵的可再生利用资源。
Crop stalks are by-products in the production of food crops and cash crops, and are rich in nitrogen, phosphorus, potassium and trace elements, which are valuable resources for development and comprehensive utilization. Xuanzhou City, Anhui Province Xuanzhou District is an agricultural area, the annual rice planting area of 73330hm2, rape and wheat acreage of 26670hm2, according to estimates, the region can produce about 618,000 tons of crop straw annually. However, at present, the development and utilization rate of these stalks in the whole region is very low. Many stalks are burned in the fields, causing serious air pollution, damaging the ecological environment, affecting road traffic safety and wasting precious renewable resources .