Convenience wrapper for canonical_reference("WRB_4th_2022").
Returns a 3-element list:
$rsg (118 obs): Reference Soil Group + criteria text
$pq (661 obs): principal qualifiers per RSG
$sq (1167 obs): supplementary qualifiers per RSG
Usage
wrb2022_canonical(prefer_pkg = TRUE)
Arguments
- prefer_pkg
Retained for compatibility and no longer used. Until
v0.9.203 FALSE selected a copy bundled with soilKey; there is
no bundled copy any more, so the data always come from SoilTaxonomy.
Value
The canonical WRB 2022 reference data (a list / data.frame of RSG and qualifier criteria), read from the SoilTaxonomy package.
Details
Source: NCSS-tech SoilTaxonomy R package. Original: IUSS
Working Group WRB (2022). World Reference Base for Soil
Resources, 4th edition.
