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Strips of soil in varying colors.

The Twelve Orders of Soil Taxonomy

Descriptions and distribution maps of the twelve soil orders.

Posters

12 Orders of Soil Taxonomy High-Resolution Poster (16.98 MB)
Soil Orders Map (7.34 MB)

The Twelve Orders of Soil Taxonomy

Alfisols
Profile of Alfisol

Photo, suborders, and distribution map.

Andisols
Profile of an Andisol

Photo, suborders, and distribution map.

Aridisols
Profile of an Aridisol

Photo, suborders, and distribution map.

Entisols
Profile of an Entisol

Photo, suborders, and distribution map.

Gelisols
Profile of a Gelisol

Photo, suborders, and distribution map.

Histosols
Profile of a Histosol

Photo, suborders, and distribution map.

Inceptisols
Profile of an Inceptisol

Photo, suborders, and distribution map.

Mollisols
Profile of an Mollisol

Photo, suborders, and distribution map.

Oxisols
Profile of an Oxisol

Photo, suborders, and distribution map.

Spodosols
Profile of a Spodosol

Photo, suborders, and distribution map.

Ultisols
Profile of an Ultisol

Photo, suborders, and distribution map.

Vertisols
Profile of a Vertisol

Photo, suborders, and distribution map.

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