Sandra Spielvogel1, Michaela Anna Dippold2, Jennifer Herschbach3, Carolin Apostel2, Thomas Zilla4, Joerg Prietzel5, Georg Guggenberger6, Ingrid Koegel-Knabner7 and Yakov Kuzyakov8, (1)University of Bern, Bern, SWITZERLAND, (2)Georg-August-University of Goettingen, Goettingen, Germany, (3)Geographical Department, University of Bern, Bern, Switzerland, (4)Department for Agricultural Soil Science Büsgenweg 2, Georg-August-University of Goettingen, Goettingen, Germany, (5)Soil Science, Technical University of Munich, Peiting, GERMANY, (6)Institute for soil science, Leibniz University Hanover, Hanover, Germany, (7)Chair of Soil Science, Technical University of Munich, Freising, GERMANY, (8)Agro-Technology Institute, RUDN University, Goettingen, Germany