PeerJ Author 35 Points Contributions by role Preprint Author 35 Contributions by subject area Agricultural Science Ecology Environmental Sciences Soil Science Science Policy Carlos G Tornquist PeerJ Author Summary Agricultural Science Ecology Environmental Sciences Science Policy Soil Science PeerJ Contributions Preprints 1 April 21, 2014 - Version: 1 Soil carbon research and global environmental challenges Alfred E Hartemink, Rattan Lal, Martin H. Gerzabek, Bashir Jama, Alex McBratney, Johan Six, Carlos G. Tornquist https://doi.org/10.7287/peerj.preprints.366v1