Histels Suborder qualifier (USDA, KST 13ed)

Pass when a Gelisol has organic soil materials that:

• Total >= 40 cm cumulative thickness within 0-50 cm; OR

• Comprise >= 80% (by volume) of 0-50 cm.

KST 13ed, Ch 9, p 189 (item AA in Key to Suborders).

Usage

histel_qualifying_usda(pedon, min_thickness_cm = 40, max_top_cm = 50)

Arguments

pedon

A PedonRecord.

min_thickness_cm

Default 40.

max_top_cm

Default 50.

Value

A DiagnosticResult.

References

Soil Survey Staff (2022), KST 13ed, Ch. 9, p 189.