Data of delta SOC and factors summary for submission.xlsx

Drylands occupy 41% of Earth's land surface and support more than 38% of human population. To achieve C neutralization, understanding how SOC stocks in drylands response to environmental conditions is important for climate change mitigation and sustainable cropland management. Based on the soil sampling locations recorded by the Second National Soil Survey of China in 1980s, we collected 721 soil samples in the 2010-2013 to investigate the direct and indirect effects of climate, soil properties, and agricultural practices on SOC stocks in drylands across north, northeast, and northwest of China over a span of three decades.