The WRB comprises two levels of categorical detail: - the First Level having 32 Reference Soil Groups (RSGs); - the Second Level, consisting of the name of the RSG combined with a set of principal and supplementary qualifiers.
The WRB comprises two levels of categorical detail:- the First Level having 32 Reference Soil Groups (RSGs);- the Second Level, consisting of the name of the RSG combined with a set ofprincipal and supplementary qualifiers.