Field Calibration of Neutron Gauges: SCS Method

by Gylan L. Dickey, USDA-SCS Natl Water Quality, Technology Development Staff, United States,

Document Type: Proceeding Paper

Part of: Irrigation and Drainage


Field calibration of neutron gauges is easy and requires very little time under normal circumstances. Special soil sampling equipment is required that can be fabricated by most machine shops. The Soil Conservation Service (SCS) procedure allows soil water measurement using the neutron gauges with an error of less than 1 percent compared to gravimetric sampling. A brief description of the SCS method is presented.

Subject Headings: Calibration | Soil water | Water conservation | Fabrication | Water use | Water meters | Soil analysis | Equipment and machinery | South Carolina | United States

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