Dr. Weichao Yang is an Associate Researcher at the Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. He obtained master's and PhD degrees in Microbiology at the Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. His research mainly focuses on vitamin C mixed bacteria fermentation and its waste resource utilization, microbial action and mechanisms in the carbon and nitrogen transformation process of black soil, and agricultural microbial resources and technology.