Crop straw is one of the most valuable and rich biological resources in China. The utilization of straw resource is beneficial while the waste is harmful to the environment. Efficient and comprehensive utilization of straw can effectively improve the utilization rate, conversion rate and economic efficiency of straw, and help to control environmental pollution, which plays an important role in the sustainable development of China's modern agriculture industry. In this paper, the production and distribution of crop straw resource in China are described, and the latest utilization techniques for crop straw, especially the "five materials" including fertilizer, feed, biomass fuel, raw material and stroma, are introduced. The intensive, cyclic, and efficient utilization of straw resource will contribute to the ecological environment protection and renewable resource save, as well as to the sustainable development of agriculture and rural economy in China.

crop straw resources  /  five materials  /  utilization techniques