Typical Patterns of Fertilizer Utilization of Crop Straw in Beijing

Based on the technology of crop straw fertilizer utilization，Beijing has selected representative areas to explore the different fertilizer utilization patterns of crop straw.Typical examples，which were block socialized treatment mode，whole chain treatment mode and centralized collection and storage point treatment mode of crop straw，were explored and established in Beijing.Respectively，main technology，operation mode，operation efficiency，suitable region of three typical patterns were summarized.It provided learning experience for sustainable development of crop straw recycling.