Cellulose account for 2/3 of total dry matter weight of plant,it is not only one of very important natural original organic matter on the earth surface,but also its degradation is the key link of carbon recycle in nature.

• 占植株干物质总重量2/3的纤维素,不但是地球表面天然起源的重要有机物质之一,而且它的降解还是自然界碳素循环的中心环节。