In memory of Prof. Dr. Olaf Christen

Prof. Dr. Olaf Christen, long-term member of the PeaceBread Association has died on February 2nd 2020 after a long and serious illness. The renowned agricultural scientist who began his scientific career at the Christian- Albrechts University in Kiel held his last office, the professorship for General Crop Production/Ecological Agriculture, at the Martin Luther University Halle-Wittenberg. […]