农作物秸秆是粮食生产的主要副产物,它通常是指农作物在获取主要产物后剩留下来的地上部分的茎叶或藤蔓,约占作物生物量的50%,主要是各种禾本科作物秸秆和豆科类作物秸秆,是一类极丰富的能直接利用的可再生纤维素资源。据联合国环境规划署(UNEP)报道,世界上种植的各类农作物,每年可提供秸秆约17亿吨。我国是农业大国,农作物秸秆资源十分丰富,近年来,由于农业连年丰收,粮食产量逐年 Crop straws are the major byproduct of food production and generally refer to the shoots or vines of aerial parts of crops that remain after they have been harvested for primary crops, accounting for about 50% of the crop biomass, mainly the various gramineous crop straws and Legume crop stalks, is a very rich source of renewable cellulose that can be used directly. According to the United Nations Environment Program (UNEP), all kinds of crops planted in the world provide about 1.7 billion tons of straw per year. China is a big agricultural country with very rich crop straw resources. In recent years, due to the bumper harvest in agriculture in successive years, the grain output has been increasing year by year