O-Humus
A-Topsoil
E-Eluviation layer
B-Subsoil
C-Regolith
R-Bedrock
I know it doesn't make sense because it doesn't start with those letters but that's how it is:)
A-Topsoil
E-Eluviation layer
B-Subsoil
C-Regolith
R-Bedrock
I know it doesn't make sense because it doesn't start with those letters but that's how it is:)