Usa Soil Taxonomy

Soil taxonomy developed by United States Department of Agriculture's Natural Resources Conservation Service provides an elaborate classification of soil types according to several parameters and in several levels: Order, Suborder, Great Group, Subgroup, Family, and Series.

Example of classification of a soil type

Order: Entisols
Suborder: Fluvents
Great Group: Torrifluvents
Subgroup: Typic Torrifluvents
Family: Fine-loamy, mixed, superactive, calcareous, Typic Torrifluvents
Series: Jocity, Youngston.
Another Example Order: Alfisols
Suborder: Xeralfs
Great Group: Durixeralfs
Subgroup: Abruptic Durixeralfs
Family: Fine, Mixed, Active, thermic Abruptic Durixeralfs
Series: San Joaquin
Link to Official Series Description: http://ortho.ftw.nrcs.usda.gov/osd/dat/S/SAN_JOAQUIN.html

Orders

Related articles

External links

 

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