09/2012 – present, Professor, 09/2007 – 09/2012, Associate Professor, Teaching and researching on precision management of soil and water resources. College of Surveying and Geo-Informatics North China University of Water Resources and Electric Power Taught postgraduate courses：Geostatistics, Soil Ecology, Soil Hydrology Taught undergraduate Courses：Geology Information System, Hydrology, Planning and Evaluation of Water Resources 08/1994 -- 08/2001，Assistant Researcher Central Laboratory of Henan Agricultural University, Zhengzhou, China 450002 Working in soil and water analysis 07/1989 -- 08/1989, Agricultural Technician The third detention farm of Henan Province, Xuchang, Henan, China 461000 Working in the guide of agricultural production. 11/2004 – 08/2007 Post-Doctorate in site-specific soil management and precision agriculture Institute of Agricultural Resources and Agriculture Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China 100086 Advisor: Prof. Youlu Bai Post-Doctoral Research Report Title: Spatial variability of soil properties in marine foreland and soil testing and fertilizer recommendation for rice (126pages; in Chinese with English abstract) 09/2001 – 07/2004 Ph. D student in agricultural soil and water engineering Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China 110016 Advisor: Prof. Dr. Zuoxin Liu Dissertation Title: Numerical simulation on soil water transport under subsurface irrigation with porous