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IES 3 Soil Orders

TermDefinition
Entisols "Young" Recently deposited or weathered, little differentiation in vertical profiles Starting point for all soils CLORPT: Time
Entisols CLORPT Time (young)
Inceptisols Mild weathering, starting to see differentiation CLORPT: Time
Inceptisols CLORPT Time (young-ish)
Andisols Volcanic soils High fertility, high water holding capacity CLORPT: Parent Material
Andisols CLORPT Parent Material (igneous/volcano)
Gelisols Permafrost w/upper layer freeze/thaw Weak vertical structure due to cryoturbation (mixing by ice wedges) CLORPT: Climate
Gelisols CLORPT Climate (cold)
Aridisols Dry settings (ET > P) Typical of deserts Accumulation of salts and evapories (evaporate water and leave slat behind) CLORPT: Climate
Aridisols CLORPT Climate (dry)
Histosols Peaty soils high in organic matter, often low in Oxygen Wetlands typically boggy and saturated (water stays) CLORPT: Relief, Climate
Histosols CLORPT Relief (boggy, wetlands), Climate
Vertisols High clay content, shrinks and swells w/water Often overlie basaltic rocks in seasonally arid/humid climates Structurally unstable CLORPT: Parent Material and Climate
Vertisols CLORPT Parent Material and Climate
Alfisols High Al + Fe (light color) Typically sandy, under deciduous broad leaf forests (N. WI) CLORPT: Vegetation and Climate
Alfisols CLORPT Vegetation and Climate
Mollisols High organic content, soft, dark, very fertile Typical of grasslands and prairies or on limestone bedrock In Bread Basket US, S. WI, now farmlands CLORPT: Parent Material and Climate
Mollisols CLORPT Parent Material and Climate
Spodosols Acidic forest soils, due to the fall and decomposition of pine needles Strongly leached surface layer, translocation of organic matter, and metals CLORPT: Vegetation, climate, time
Spodosols CLORPT Vegetation, Climate, Time
Utilisols Clayey soils, typical of humid tropics, nutrients mostly lost CLORPT: Vegetation, climate, time
Utilisols CLORPT Vegetation, Climate, Time
Oxisols Low fertility, most nutrients lost due to leaching, red color from oxidation Often in tropical rainforests CLORPT: vegetation, climate, time
Oxisols CLORPT Vegetation, Climate, Time
Most Highly Weathered Soils Spodosols, Utilisols, Oxisols
Most WI Soil is... Alfisols and Spodosols
Created by: Eliana.s
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