WRBReferenceSoilGroupValue

-- Name -- WRB reference soil group (RSG)

list of possible reference soil groups (i.e. first level of classification of the World Reference Base for Soil Resources). The allowed values for this code list comprise only the values specified in “World reference base for soil resources 2006, first update 2007”. -- Description -- <i>Reference Soil Groups</i> are distinguished by the presence (or absence) of specific <i>diagnostic horizons, properties </i>and/or<i> materials.</i> NOTE The WRB soil classification system comprises 32 different RSGs. SOURCE <i>World reference base for soil resources 2006</i>, <i>first update 2007</i>, World Soil Resources Reports No. 103, Food and Agriculture Organization of the United Nations, Rome, 2007.