（1）高寒生态系统土壤碳循环与全球变化响应

（2）土壤碳氮磷耦合过程及其微生物调控机制

入选中国科学院青年创新促进会

入选中国科学院“西部青年学者”计划B类

1. 国家自然科学基金面上项目，高寒泥炭地深层土壤古碳损失对增温的响应及其驱动机制，2024.01-2027.12，主持

2. 四川省自然科学基金面上项目，若尔盖泥炭地土壤有机碳稳定性与周转过程对气候变暖的响应及其驱动机制，2024.01-2025.12，主持

3. 中国科学院青年创新促进会人才项目，2020.01-2023.12，主持

4. 四川省重点研发项目，若尔盖高寒沼泽湿地对气候变化的响应与适应性管理策略研究，2020.01-2022.12，主持

5. 国家重点研发计划项目子课题，若尔盖及甘南草地退化的自然及人为相对贡献定量分离及时空格局，2016.07-2020.12，主持

1. Liu J., Zhan W., Huang X., Tang D., Jin S., Zhu D., Chen H. Nitrogen addition increases topsoil carbon stock in an alpine meadow of the Qinghai-Tibet Plateau. Science of the Total Environment. 2023, 888: 164071.

2. Liu J., Li S., Yue S., Tian J., Chen H., Jiang H., Siddique K.H.M, Zhan A., Fang Q., Yu Q. Soil microbial community and network changes after long-term use of plastic mulch and nitrogen fertilization on semiarid farmland. Geoderma. 2021, 396: 115086.

3. Liu J., Huang X., Jiang H., Chen H.. Sustaining yield and mitigating methane emissions from rice production with plastic film mulching technique. Agricultural Water Management. 2021, 245: 106667.

4. Zhan A., Liu J.*, Yue S., Chen X., Li S.*, Alexander B. Architectural and anatomical responses of maize roots to agronomic practices in a semi-arid environment. Journal of Plant Nutrition and Soil Science. 2019, 182: 751–762.

5. Liu J., Chen X., Zhan A., Luo S., Chen H., Jiang H., Huang X., Li S. Methane uptake in semiarid farmland subjected to different mulching and nitrogen fertilization regimes. Biology and Fertility of Soils. 2016, 52(7): 941-950.

6. Liu J., Zhan A., Chen H., Luo S., Bu L., Chen X., Li S. Response of nitrogen use efficiency and soil nitrate dynamics to soil mulching in dryland maize (Zea mays L.) fields. Nutrient Cycling in Agroecosystems. 2015, 101(2): 271-283.

7. Liu J., Zhu L., Luo S., Bu L., Chen X., Yue S., Li S. Response of nitrous oxide emission to soil mulching and nitrogen fertilization in semi-arid farmland. Agriculture, Ecosystems & Environment. 2014, 188: 20-28.