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Neutron Meter Calibration and Error Control

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 27 (3): 0722-0728. (doi: 10.13031/2013.32860) @1984
Authors:   Victor L. Hauser

ABSTRACT MODERN neutron meters reliably measure soil water content; however, good accuracy requires an understanding of theory, accurate calibration, and knowledge of possible errors. This paper summarizes the theory, explains the calibration of one depth moisture meter, presents a new method for near-surface calibration, and discusses sources for error.

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