
SmartSolos drainage class scale (DRENAGEM, 1-8)
Source:R/classify-smartsolos.R
dot-SMARTSOLOS_DRAINAGE_SCALE.RdSiBCS / Embrapa drainage scale used by the SmartSolosExpert API:
1 excessivamente drenado .. 8 muito mal drenado.
soilKey does not have a canonical drainage column yet; user supplies
via drenagem argument when known.