Prof Dr Jans Siemens, Justus Liebig University Giessen, Germany Email: jan.siemens@umwelt.uni-giessen.de https://www.uni-giessen.de/en/faculties/f09/institutes/soil/resources/staff/prof-dr-jan-siemens-1/prof-dr-jan-siemens?set_language=en
Dr Eugenio Diaz-Pines, University of Natural Resources and Life Sciences (BOKU), Institute of Soil Research (IBF), Austria Email: eugenio.diaz-pines@boku.ac.at https://boku.ac.at/en/personen/person/FCC0263BDD267444
Dr Luca Montanarella, European Commission, Joint Research Centre, Ispra, Italy Email: luca.montanarella@ec.europa.eu https://esdac.jrc.ec.europa.eu/ESDB_Archive/Staff/Montanarella.html