● Studies: Horticultural Sciences U Hannover (Dipl. Ing. agr.), Germany
● Doctoral studies: U Hannover and U Göttingen (Dr. sc. agr.), Germany
● Post Doc: Purdue University, Agron. Dept., West Lafayette, IN USA
● Visiting Scientist: U Georgia, Environ. Sci. Griffin Campus, GA USA)
● Appointment as Professor of Plant Nutrition: U Rostock, Germany