Andisol Order qualifier (USDA, KST 13ed Ch 3, p 7)

Andisols have andic soil properties in 60%+ of the thickness between the surface and either:

• a depth of 60 cm; or

• a densic, lithic, or paralithic contact, a duripan, or a petrocalcic horizon (whichever is shallower).

v0.8.6 implementation: pass when total thickness of layers with andic_soil_properties is >= 0.6 * (depth from surface to 60 cm).

Usage

andisol_qualifying_usda(pedon)

Arguments

pedon

A PedonRecord.

Value

A DiagnosticResult.

References

Soil Survey Staff (2022), KST 13ed, Ch. 6, p 117.