Editorship

Co-editor of the 7.000-pages "Handbuch der Bodenkunde", since 1996, Ecomed-Verlag.  Other editors are H.-P. BLUME, W. FISCHER, H. G. FREDE, R. HORN und K. STAHR

Member of the editor-community of the journal of plant nutrition and soil science, Wiley-VCH Verlag, Weinheim

Publication of a Catena- special double-volume: Recent And Paleo_Pedogenesis As Tools For Modelling Past And Future Global Change, zusammen mit  J. CATT und R. KEMP (UK), Catena 41, 2000.