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Practitioner's Tool / Soil Texture and Structure

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→‎Soils Structure

=== Soil Texture and the Soils Triangle ===

[[File:Site evaluation 03.jpg|thumb|right|200px|Click to zoom.]]

Soils are composed of individual particles of sand, silt and clay, as well as organic matter in various stages of decomposition. The soils triangle shown to the left was developed to classify a soil sample based on its texture, which is based on the relative amounts of sand, silt and clay. Once a soil texture has been identified, you can readily obtain information about the nature of the soils.

Considerable work has been done to equate soil texture with permeability. This is most important for considering soils-based leaching systems. For example, sand, loamy sand, and sandy loam soils readily absorb moisture. Clay and silty clay soils are slowly permeable and may not be suitable for on-site effluent discharge.

 

[[File:Site evaluation 03.jpg|right|200px|Click to zoom.]]

====== Soils Structure ======

''[[Practitioner's Tool / Planning and Promotions / Step_4:_Seasonally_High_GroundwaterSeasonally High Groundwater|Proceed to Step 4: Seasonally High Groundwater]]''

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