USDA

Improved Water Supply Forecasts Using Soil Moisture Data

HydraProbe used to improve water supply forecast from 3 SNOTEL sites in Idaho over traditional antecedent conditions using the principle component forecast model Much of the water in the Western United States used for irrigation, municipal supplies and hydro-electric production originates as winter snow pack at higher elevations. Since the early 1900s, the correlation between […]

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Introduction to Soil Surveys for Agronomic Use

The USDA’s Introduction to Soil Surveys for Agronomic Use, entitled “From the Surface Down”, is an introduction to soil types, horizons, and how they are measured. The intent of this publication is to increase user understanding of soils and acquaint them with the contents of a soil survey and supplemental interpretations that are important to

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Free Software Lets You Use HydraProbe to Determine Soil Water Retention Curve

The Soil Water Characteristics software is a hydraulic properties calculator, developed by the US Department of Agriculture and Washington State University. It estimates soil water tension, conductivity and water holding capability based on the soil texture, organic matter, gravel content, salinity, and compaction. The Soil Water Characteristics software is a hydraulic properties calculator, developed by

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