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Predicting Bulk Soil Electrical Conductivity versus Saturation Paste Extract Electrical Conductivity Calibrations from Soil Properties
Author(s) -
Rhoades J. D.
Publication year - 1981
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1981.03615995004500010009x
Subject(s) - saturation (graph theory) , soil science , electrical resistivity and conductivity , calibration , salinity , environmental science , conductivity , soil salinity , soil test , soil water , mineralogy , geology , chemistry , mathematics , engineering , electrical engineering , combinatorics , statistics , oceanography
Soil electrical conductivity was calibrated with salinity for 12 soil types, and the calibrations were related to soil properties. The calibration slope was found to be highly correlated with water‐holding capacity and saturation percentage, whereas the intercept was highly correlated with clay content. These findings permit the prediction of calibrations for salinity diagnosis applications where direct calibrations are unavailable or unwarranted.