Placic horizon (USDA, KST 13ed Ch 3, pp 47-48)
Source:R/diagnostics-spodosols-usda.R
placic_horizon_usda.RdPass when a thin (1-25 mm) Fe/Mn-cemented horizon is present.
Detected via designation containing 'm' (cemented) AND
cementation_class in {strongly, indurated} AND thickness
between 1 mm and 25 mm.
Arguments
- pedon
A
PedonRecord.- max_top_cm
Default 100.