Humult Suborder qualifier (Ultisols with thick humus accumulation) Pass when 0.9% OC weighted average in 0-15 cm AND/OR organic carbon mass >= 12 kg/m2 in 0-100 cm (proxy via humic_oxisol_usda with lower threshold).
Source:R/diagnostics-ultisols-usda.R
humult_qualifying_usda.RdHumult Suborder qualifier (Ultisols with thick humus accumulation) Pass when 0.9% OC weighted average in 0-15 cm AND/OR organic carbon mass >= 12 kg/m2 in 0-100 cm (proxy via humic_oxisol_usda with lower threshold).
Arguments
- pedon
A
PedonRecord.