New soil class, formerly Luvisols, with clays with low cation exchange capacity. Under the revised legend these soils have clays with high cation exchange capacity. Albic Luvisols Calcic Luvisols Chromic Luvisols Ferric Luvisols Gleyic Luvisols Haplic Luvisols, added to the revised legend. Orthic Luvisols, deleted in the revised legend. Plinthic Luvisols, deleted in the revised legend.
Acid soils with a very thick layer of clay accumulation.
Removed from the revised legend. Dark soils rich in organic matter. Calcaric Phaeozems Gleyic Phaeozems Haplic Phaeozems Luvic Phaeozems Stagnic Phaeozems, added to the revised legend. Soils with a light colored layer over a soil layer that restricts water drainage. Planosols Humic Planosols, deleted in the revised legend.