Rudosol AU

A representative soil profile of a Lithosolic Clastic Rudosol in a map unit of stony soils. These soils have rocks, stones or coarse gravels as a dominant profile feature, often overlying bedrock. These soils are from the Stirlings to Ravensthorpe area of Australia. (Base photo provided by Department of Primary Industries and Regional Development, Agriculture and Food, Government of Western Australia with revision.)

 

Profile:

Rocks, stones or course gravels dominant throughout

Sandy through to loamy matrix

Mainly acid ranging to neutral pH at depth

Shallow depth to bedrock

 

For more information about these soils including common management constraints, visit:

www.agric.wa.gov.au/mycrop/mysoil-stony-soils-stirlings-r...

 

In the Australian soil classification system, the soils in this unit include Rudosols. Rudosols are soils with negligible (rudimentary) pedological development, apart from minimal development of a surface (A) horizon. Two types of Rudosols are associated with this unit:

Clastic Rudosols - These are soils where at least the upper 50 cm of the soil profile mainly consists of mineral materials that are gravelly i.e. more than 10% of the material is greater than 2 mm in size. The gravel may be in distinct layers, or uniformly or irregularly distributed.

Leptic Rudosols - These are soils that within 50 cm of the surface there is hard unweathered rock, other hard materials, or partially weathered or decomposed saprolite.

 

For more information about the Australian Soil Classification System, visit;

www.clw.csiro.au/aclep/asc_re_on_line_V2/soilhome.htm

 

In Soil Taxonomy, these soils are primarily Alfisols. For more information about Soil Taxonomy, visit:

sites.google.com/site/dinpuithai/Home

 

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