Ruptic Subgroup helper (Histoturbels / Historthels)
Source:R/diagnostics-gelisols-usda.R
ruptic_subgroup_usda.RdPass when more than 40% (volume) organic soil materials from surface to 50 cm in 75% or LESS of the pedon. v0.8 also deferred – requires multi-pedon data.
Arguments
- pedon
A
PedonRecord.