Histosol

An histosol (HS) can be defined through :

• a histic or folic horizon
  • 10 cm or more thick from the soil surface to a lithic or paralithic contact
  • 40 cm or more thick and starting within 30 cm from the soil surface

and :

• the lack of an andic or vitric horizon starting within 30 cm from the soil surface

Possible qualifiers

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

Prefix qualifiers		Suffix qualifiers
Folic Limnic Lignic Fibric Hemic Sapric Floatic Subaquatic Glacic Ombric Rheic Technic Cryic Hyperskeletic Leptic Vitric Andic Salic Calcic		Thionic Ornithic Calcaric Sodic Alcalic Toxic Dystric Eutric Turbic Gelic Petrogleyic Placic Skeletic Tidalic Drainic Transportic Novic

Source

• The FAO website