Andosol

An andosol (AN) can be defined through :

• a vitric or an andic horizon starting within 25 cm from the soil surface

and :

• no diagnostic horizons (unless buried deeper than 50 cm) other than a histic, fulvic, melanic, mollic, umbric, ochric, duric or cambic horizon

Possible qualifiers

For each RSG, there are some possible prefix and suffix qualifiers :

Prefix qualifiers		Suffix qualifiers
Vitric Aluandic Eutrosilic Silandic Melanic Fulvic Hydric Folic Histic Technic Leptic Gleyic Mollic Gypsic Petroduric Duric Calcic Umbric Haplic		Anthric Fragic Calcaric Colluvic Acroxic Sodic Dystric Eutric Turbic Gelic Oxyaquic Placic Greyic Thixotropic Skeletic Arenic Siltic Clayic Drainic Transportic Novic

Source

• The FAO website