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Soil Names

The components used to construct soil names and their meanings

TermDefinition
-alf Alfisols
-ent Entisols
-ept Inceptisols
-and Andisols
-el Gelisols
-ist Histosols
-id Aridisols
-ert Vertisols
-oll Mollisols
-ult Ultisols
-od Spodosols
-ox Oxisols
-xer- Xeric; dry summer, wet winter
-ust- Ustic; dry climates
-ud- Udic; humid
-aqu- aquic; wet
-cry- very cold
(fib/hem/sapr/wass) - ist moisture: wetlands. aquic order: histosol
Fol-ist Moisture: likely udic, not aquic order: histosol
-gel- very cold, permafrost, not gelisol
-ald- presence of albic (leached) horizon
-arg- presence of argillic (illuvial clay) horizon
-per- per-udic moisture, year round humid
-gyps- presence of gypsum horizon; mainly arid and semi arid
-hist- presence of histic epipedon, not histosol
soil series most basic unit of soil taxonomy; represents a set profile/ order of horizons; very specific; 25,000 in US, >1,500 in CA
soil family identify subsets of subgroups based on texture, mineral composition, CEC, and temperature; the first four sections of a soil name; apprx. 8000
soil order broadest category, focus on presence/absence of diagnostic horizons ; reflect major course of development; 12
-sal- presence of soluble salts; mainly arid and semiarid
Created by: cpfc_brain
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