Chernozem From Wikipedia, the free encyclopedia ChernozemUsed inWRB codeProfileParent materialClimate Chernozemic soil Mollisol (USDA-NRCS) WRB, other CH AhBC Loess Humid continental Chernozem (from Russian: чернозём, tr. chernozyom, IPA: [tɕɪrnɐˈzʲɵm]; "black ground"),[1][2] also called Black soil or Regur soil or Black cotton soil, is a black-colored soil containing a high percentage of humus[..