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Calibration equations for Diviner 2000 capacitance measurements of volumetric soil water content of six soils
Author(s) -
Groves S.J.,
Rose S.C.
Publication year - 2004
Publication title -
soil use and management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.709
H-Index - 81
eISSN - 1475-2743
pISSN - 0266-0032
DOI - 10.1111/j.1475-2743.2004.tb00343.x
Subject(s) - soil water , calibration , water content , capacitance probe , soil science , environmental science , capacitance , soil test , mathematics , chemistry , geology , geotechnical engineering , statistics , electrode
. Calibration coefficients for a Diviner 2000 capacitance sensor were developed under laboratory conditions for soils of six textures. The calibration equations, derived by regression analysis, significantly ( P <0.001) related Diviner 2000 measurements of scaled frequency (SF) with volumetric soil water content of the soil. In all cases the calibration accounted for >93% of the variation ( R 2 adjusted) with the volumetric water content of the soil.