Pale qualifying helper (Paleudults / Paleustults / Palexerults / Palehumults / Paleaquults)
Source:R/diagnostics-ultisols-usda.R
pale_qualifying_usda.RdPass when an argillic horizon has either:
clay >= 35% in upper 30 cm of argillic; OR
lithologic discontinuity NOT followed by argic; OR
argillic that does NOT decrease in clay >= 20% relative from its maximum.
v0.8 proxy: clay_pct >= 35% in upper argillic.
Arguments
- pedon
A
PedonRecord.