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Soil Water Characteristics

graph of soil texture triangle
2-Leg Representation of USDA
Soil Texture Triangle

 


 

 

Soil Water Characteristics is a program include with the SPAW installation. It is used to simulate soil water tension, conductivity and water holding capability based on the soil texture, with adjustments to account for gravel content, compaction, salinity, and organic matter. When using the given values it is important  to understand they are estimations and may not reflect the actual values for a given situation. Upper and lower limits of input values have been set to maintain the validity of calculations. Documentation for the model is found within the Help menu on the Soil-Water Characteristics Toolbar.

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