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Soil Bulk Density Sampling for Neutron Gauge Calibration

by G. L. Dickey, Technology Information Systems Div, Fort Collins, United States,
R. G. Allen, Technology Information Systems Div, Fort Collins, United States,
J. L. Wright, Technology Information Systems Div, Fort Collins, United States,
N. R. Murray, Technology Information Systems Div, Fort Collins, United States,
J. F. Stone, Technology Information Systems Div, Fort Collins, United States,
D. J. Hunsaker, Technology Information Systems Div, Fort Collins, United States,



Document Type: Proceeding Paper

Part of: Management of Irrigation and Drainage Systems: Integrated Perspectives

Abstract:

The ASCE Task Committee on Neutron Gauge Calibration met in Logan, Utah in July 1992 to investigate the various methods of soil sampling, installation of access tubes, effect of various parameters on gauge readings, methods of developing field calibration curves and comparison of neutron gauge characteristics. Details of the overall objectives of the study are covered by Stone (1993, this volume). This paper discusses the soil sampling methods and presents a comparative result based on bulk density, time required for sampling and cost of sampling equipment Other papers developed from this study describe the soils, the three sites investigated and the problems related to the tube installation process.

Subject Headings: Soil water | Soil analysis | Calibration | Density (material) | Comparative studies | Soil properties | Site investigation

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