Dark Gray Solod (DG.SO)
Common horizon sequence: Ahe, Ae, AB, Bnt, Ck, Csk
Soils of this subgroup have a solonetzic B horizon as defined for the Solonetzic order and the properties specified for the Solod great group. They are associated with forest, shrub, and grass vegetation, a subhumid climate, and Eluviated Black Chernozems or Dark Gray Luvisols developed in materials of lower salinity.
Dark Gray Solods have an Ah, Ahe or Ap horizon with color values of 3.5-4.5 dry and chromas usually lower than 2 moist or dry. They have Ae, AB, and solonetzic B horizons as specified for the great group. They do not have faint to distinct mottles that indicate gleying within the upper 50 cm.
Note: Diagnostic horizons are underlined.