In acidic soils such as red clay soils, the use of rock dust for CO2 capture produces disappointing results. Photo: David Lindbo of the Department of Soil Science at NC State University Attribution 2.0 Generic CC BY 2.0 Deed

Rock dust helps capture CO2 but not in acidic soils

The dispersion of rock dust in the soil is generally an effective way of storing carbon. But in acidic soils, according to an Australian study, this mechanism does not work

Re Soil Foundation