Education
Doctor of Philosophy, University California, Riverside, 1988.
Doctor of Philosophy, University California, Riverside, 1988.
Postdoctoral researcher department soil and environmental science University California, 1988—1989. Associate professor Department Agricultural Chemistry, National Taiwan University, Taipei, 1989—1994, professor, 1994—2007, distinguished professor and head, since 2007.
Board directors Agricultural Chemical Society Taiwan, Chinese Society Soil and Fertilizer Sciences, Taiwan, Chinese Society Environmental Analysis, Taiwan, Taiwan Soil and Groundwater Environmental Protection Association. Member of Journal Chinese Agricultural Chemical Society (editor-in-chief 1995-1997, Science Achievement award 2002), Journal Environmental Quality (associate editor 1999—2005), East and Southeast Asia Federation Soil Science Societies (secretary general 2001-2003), International Society Trace Element Biogeochemistry (international committee member), Soil Science Society America.