USA soil taxonomy
From Biocrawler, the free encyclopedia.
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 (most commonly their properties) and in several levels: Order, Suborder, Great Group, Subgroup, Family, and Series.
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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.
- Family: Fine-loamy, mixed, superactive, calcareous, Typic Torrifluvents
- Subgroup: Typic Torrifluvents
- Great Group: Torrifluvents
Another Example
Order: Alfisols
- Suborder: Xeralfs
- Great Group: Durixeralfs
- Subgroup: Abruptic Durixeralfs
- Family: Fine, Mixed, Active, thermic Abruptic Durixeralfs
- Series: San Joaquin
- Family: Fine, Mixed, Active, thermic Abruptic Durixeralfs
- Subgroup: Abruptic Durixeralfs
- Great Group: Durixeralfs
Link to Official Series Description: http://ortho.ftw.nrcs.usda.gov/osd/dat/S/SAN_JOAQUIN.html
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Orders
- Alfisols
- Andisols
- Aridisols
- Entisols
- Gelisols
- Histosols
- Inceptisols
- Mollisols
- Oxisols
- Spodosols
- Ultisols
- Vertisols
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Related articles
- FAO soil classification
- International Committee on Anthropogenic Soils (ICOMANTH)
- Soil classification
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External links
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- USDoA / NRCC soil taxonomy webpage (http://soils.usda.gov/technical/classification/taxonomy/)
- Soil taxonomy document (ftp://ftp-fc.sc.egov.usda.gov/NSSC/Soil_Taxonomy/tax.pdf)
- A Compendium of On-Line Soil Survey Information: Soil Classification Systems (http://www.itc.nl/personal/rossiter/research/rsrch_ss_class.html)

