徐文华，男，1981年4月生，理学博士，副研究员。2005年毕业于山东农业大学并获得作物栽培与耕作学专业硕士学位，2009年毕业于中国科学院植物研究所并获得生态学专业博士学位。2009–2010年，在中国科学院植物研究所工作，从事草原生态系统碳氮循环研究。2011–2020年，在中国科学院沈阳应用生态研究所工作，从事农田、草原和森林生态系统碳氮循环研究。2021年至今，在吉林省农业科学院农业资源与环境研究所工作，从事玉米栽培生理生态研究。

近年来的主要研究方向、主持在研项目情况：

利用¹³C和¹⁵N稳定性同位素技术，进行碳氮元素在植物–土壤–大气中的分配和周转、玉米秸秆分解的碳氮去向、玉米秸秆外源碳输入对土壤有机碳分解的激发效应等玉米农田碳氮循环过程的研究工作。

主持在研项目：

1、吉林省科技发展计划重点研发项目：“春玉米秸秆还田减肥增效关键技术研究”(2022.07-2025.6)；

2、国家自然科学基金面上项目: 施用氮肥对玉米秸秆降解碳去向的影响 (2020.1 -2023.12)。

已发表的论文和著作：

1、Chang Q^#, Xu WH^#, Peng B, Jiang P, Li SL, Wang C, Bai E. 2022. Dynamic and allocation of recently assimilated carbon in pine (Pinus koraiensis) and birch (Betula platyphylla) in a temperate forest. Biogeochemistry, 160: 395–407.

2、Cong Y, Saurer M, Bai E, Siegwolf R, Gessler A, Liu K, Han HD, Dang YC, Xu WH, He HS, Li MH. 2022. In situ ¹³CO₂ labeling reveals that alpine treeline trees allocate less photoassimilates to roots compared to low-elevation trees. Tree Physiology, 42: 1943–1956.

3、Wu Y, Bian SF, Liu ZM, Wang LC, Wang YJ, Xu WH, Zhou Y. 2021. Drip irrigation incorporating water conservation measures: Effects on soil water-nitrogen utilization, root traits and grain production of spring maize in semi-arid areas. Journal of Integrative Agriculture, 20: 3127–3142.

4、Liu ZY^#, Xu WH^#, Gu WR, Li J, Li CF, Wang MQ, Zhang LG, Piao L, Zhu QR, Wei S. 2021. Effects of geniposide on the regulation mechanisms of photosynthetic physiology, root osmosis and hormone levels in maize under saline-alkali stress. Applied Ecology and Environmental Research, 19: 1571–1588.

5、Liu J, Li HJ, Guo YY, Wang GX, Zhang HJ, Zhang RH*, Xu WH*. 2020. Responses of photosynthetic electron transport to drought and re-watering in two maize genotypes. Russian Journal of Plant Physiology, 67: 912–922.

6、Chang Q, Qu GF, Xu WH, Wang C, Cheng WX, Bai E. 2020. Light availability controls rhizosphere priming effect of temperate forest trees. Soil Biology & Biochemistry, 148: 107895.

7、Wang H, Hu GQ, Xu WH, Boutton TW, Zhuge YP, Bai E. 2018. Effects of nitrogen addition on soil organic carbon mineralization after maize stalk addition. European Journal of Soil Biology, 89: 33–38.

8、Wang H, Xu WH, Hu GQ, Dai WW, Jiang P, Bai E. 2015. The priming effect of soluble carbon inputs in organic and mineral soils from a temperate forest. Oecologia, 178: 1239–1250.

9、Wang H, Boutton TW, Xu WH, Hu GQ, Dai WW, Jiang P, Bai E. 2015. Quality of fresh organic matter affects priming of soil organic matter and substrate utilization patterns of microbes. Scientific Reports, DOI: 10.1038/srep10102.

10、Xu WH, Li W, Jiang P, Wang H, Bai E. 2014. Distinct temperature sensitivity of soil carbon decomposition in forest organic layer and mineral soil. Scientific Reports, DOI: 10.1038/srep06512.

11、Bai E, Li SL, Xu WH, Li W, Dai WW, Jiang P. 2013. A meta-analysis of experimental warming effects on terrestrial nitrogen pools and dynamics. New Phytologist, 199: 441–451.

12、Zhang NL, Xu WH, Yu XJ, Lin D, Wan SQ, Ma KP. 2013. Impact of topography, annual burning, and nitrogen addition on soil microbial communities in a semiarid grassland. Soil Science Society of America Journal, 77: 1214–1224.

13、Liu WX, Xu WH, Hong J, Wan SQ. 2010. Interannual variability of soil microbial biomass and respiration in responses to topography, annual burning and N addition in a semiarid temperate steppe. Geoderma, 158: 259–267.

14、Xu WH, Wan SQ. 2008. Water- and plant-mediated responses of soil respiration to topography, fire, and nitrogen fertilization in a semiarid grassland in northern China. Soil Biology & Biochemistry, 40: 679–687.

Zhang YF, Niu SL, Xu WH, Han Y. 2008. Species-specific response of photo- synthesis to burning and nitrogen fertilization. Journal of Integrative Plant Biology, 50: 565–574.

15、Liu WX, Xu WH, Han Y, Wang CH, Wan SQ. 2007. Responses of microbial biomass and respiration of soil to topography, burning, and nitrogen fertilization in a temperate steppe. Biology and Fertility of Soils, 44: 259–268.