Prof. Dr. Zhengyi Hu, born June 22, 1963 in Anhui, P.R. China; BSc and MSc in Agronomy, PhD in ecology. Principal Director of Sino Danish Centre for Education and Research. Professor of College of Resources and Environment, Sino-Danish College at University of Chinese Academy of Sciences (UCAS), Vice President of The International Scientific Center for Fertilizers (CIEC) in Shenyang, P.R. China.