Acric Subgroup helper (Andisols Acrudoxic / Acraquoxic / Acrustoxic / etc.)
Source:R/diagnostics-andisols-usda.R
acric_andisol_usda.RdPass when the sum of extractable bases (NH4OAc) plus 1N KCl-Al is < 2.0 cmol(+)/kg in fine earth, in a 30+ cm layer between 25 and 100 cm. v0.8 proxy: ECEC <= 2.0 in B horizons.
Arguments
- pedon
A
PedonRecord.