2002年9月-2005年12月：浙江大学学习，获博士学位；2011年10月-2012年3月：英国雷丁大学学习。2012年9月-2013年9月：美国普渡大学访问学者。

2006年1月至2007年7月：贵州大学资环学院工作，讲师、副教授；2007年8月至2014年7月：南京信息工程大学环境科学与工程学院，副教授；2014年7月至今：南京信息工程大学教授；

2015-2017 江苏省自然科学基金（水生植物凋落物堵塞人工湿地机理及泥鳅修复效应研究）（项目负责人）2015-2017 教育部留学回国人员基金（UV-B增强对人工湿地中氮、磷迁移、转化及净化能力的影响）（项目负责人）2010-2012 国家自然科学基金面上项目（基质-植物-蚯蚓配置垂直流人工湿地净化污水效果及机理研究）（项目负责人）

Defu Xu, Jiaru Gu, Yingxue. Purifying capability, enzyme activity, and nitriLification potentials in December in integrated vertical flow constructed wetland with earthworms and different substrates. Environmental Science and PollutionResearch, 2016, 23, 273-281.Defu Xu, et al.Effect of the interaction of earthworms and substrates on photosynthetic characteristics, nitrogen and phosphorus uptake by Iris pseudacorus in constructed wetland system. Environmental Engineering and Management Journal,2016.Defu Xu, et al. The forms and bioavailability of phosphorus in integrated vertical flow constructed wetland with earthworms and different substrates. Chemosphere, 2015,134:492-498。 Defu Xu, Yinjuan Wu, Yingxue Li, et al. Influence of UV radiation on chlorophyll, and antioxidant enzymes of wetland plants in different types of constructedwetland, Environmental Science and Pollution Research,2014,21,10108-10119。Defu Xu, Yingxue Li, Alan Howard. Effect of earthworm Eisenia fetida and wetland plants on nitrification and denitrification potentials in vertical flow constructed wetland, Chemosphere, 2013, 92:201-206。Defu Xu, Yingxue Li. Influence of earthworm Eisenia fetida on removal efficiency of N and P in vertical flow constructed wetland, Environmental Science and Pollution Research, 2013, 20:5922-5929。Defu Xu, Yingxue Li, Xiaolong, et al, Influence of earthworm Eisenia fetida on Iris pseudacorus’s photosynthetic characteristics, evapotranspiration losses and purifying capacity in constructed wetland systems, Water Science & Technology,2013, 68:335-341。Defu Xu, Yingxue Li, Hua Fang, et al. Response of three wetland plants growth and nutrient distribution to earthworms in constructed wetland system, AppliedMechanics and Materials, 2012, 178/181:1030-1035。Defu Xu, Yingxue Li, Jianwei Zheng, et al. Effects of earthworms and substrate on Iris pseudacorus Growth, Advanced Materials Research, 2012,550/553:1429-1434。 Defu Xu, Yingxue Li, Xianghua Xu, et al. Effect of microbial activity in the rhizosphere of wetland plants on removal of total organic matter and nitrogen from wastewater, Environmental Engineering and Management Journal, 2011, 10(6):781-786。 Defu Xu, Yingxue Li, Xiaoli Zhao Effect of wetland plants growth characteristics on purifying wastewater in constructed wetland. Proceedings of the 5th International Congress on Mathematical Biology, 2011, 518-522。Defu Xu, Jianming XU, Yan He, P.M. Huang. Effect of iron plaque formation on phosphorus accumulation and availability in the rhizosphere of wetland plants.Water, Air, & Soil Pollution, 2009,200:79–87.Defu Xu, Jianming Xu, Jianjun Wu, Akmal Muhammad. Studies on the phosphorus adsorption capacity of substrates used in constructed wetland systems.Chemosphere, 2006, 63:344-352.吴银娟,徐德福,管益东,等. 蚯蚓对人工湿地植物抗氧化酶活性的影响，环境科学与技术，2014，37（8）：151-155。朱铭, 万震, 王杰, 冯锡杰, 王飞, 徐德福, 蚯蚓和基质种类对人工湿地植物根系特征及净化效果的影响,农业环境科学学报, 2012, 4: 838-842。 徐德福, 李映雪, 郑建伟, ,等.不同基质对黄菖蒲光合特性及净化能力的影响,环境科学, 2011, 9: 2576-2581。 徐德福, 李映雪, 郑建伟,等. 基质对人工湿地污水蒸发量及净化能力的影响, 中国环境科学, 2011, 6: 927-932。 徐德福, 李映雪, 王让会 ,等.蚯蚓对湿地植物光合特性及净化污水能力的影响, 生态学报, 2011, 17: 4907-4913。

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