Soil organic carbon content (fine earth fraction) at 15-30cm depth.
Data Sources & Credits
ISRIC (2014) "World Soil Information", in collaboration with The Earth Institute, Columbia University World Agroforestry Centre, Nairobi and the International Center for Tropical Agriculture (CIAT)
HarvestChoice, 2015. "Soil Organic Carbon Content (depth 15-30cm)." International Food Policy Research Institute, Washington, DC., and University of Minnesota, St. Paul, MN. Available online at http://harvestchoice.org/data/soc_d30.