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Thaptic Subgroup helper (Andisols) Pass when, between 25 and 100 cm, a 10+ cm layer with OC > 3.0% and mollic colors exists, underlying lighter horizons.

Source: R/diagnostics-andisols-usda.R
thaptic_subgroup_usda.Rd

Thaptic Subgroup helper (Andisols) Pass when, between 25 and 100 cm, a 10+ cm layer with OC > 3.0% and mollic colors exists, underlying lighter horizons.

Usage

thaptic_subgroup_usda(pedon)

Arguments

pedon

A PedonRecord.