Terric Subgroup helper (Histels)

Pass when a layer of mineral soil material 30 cm or more thick occurs within 100 cm of the soil surface (KST 13ed, p 190).

Usage

terric_usda(pedon, min_thickness_cm = 30, max_top_cm = 100)

Arguments

pedon

A PedonRecord.

min_thickness_cm

Default 30.

max_top_cm

Default 100.

Value

A DiagnosticResult.

References

Soil Survey Staff (2022), KST 13ed, Ch. 9.