Test that CEC per kg clay is at or above a threshold — test_cec_per_clay

Default 24 cmol_c/kg clay – WRB 2022 boundary that distinguishes "low-activity-clay" RSGs (Acrisols, Lixisols) from "high-activity- clay" RSGs (Alisols, Luvisols).

Usage

test_cec_per_clay_above(h, min_cmol_per_kg_clay = 24, candidate_layers = NULL)

Arguments

h: Numeric threshold or option (see Details).
min_cmol_per_kg_clay: Numeric threshold or option (see Details).
candidate_layers: Numeric threshold or option (see Details).