Associate Professor Huifang Xu has been engaged in the research of soil nitrogen cycling process and mechanism, familiar with the research status and development trend in this field, mastered relevant research methods and technologies, and has a solid theoretical research foundation. She presided over 1 National Natural Science Foundation project, 1 China Postdoctoral Foundation project, and 3 provincial projects. In the past 5 years, Associate Professor Huifang Xu has published 15 scientific research papers, among which the first author/corresponding author published 7 papers in SCI in region I and II, the first author/corresponding author published 5 Chinese core papers, and the other authors published 3 papers.