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Soil Water Characteristics Program (and SPAW model)

The Soil Water Characteristics Program estimates soil water tension, conductivity and water holding capability based on the soil physical properties of texture, organic matter, gravel , salinity, and compaction. This installation package includes both the SPAW model and the computer model and provides the user with the choice of installing the models independently.

NRCS users should consult their Technical Support Team for installation of the CCE version.

Non-NRCS users can download the model through the hyperlink below:

SPAW Download Site

Soil Water Characteristics Download Site


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