Design, construction and field evaluation of a multiple blade soil mechanical resistance sensor

•Soil mechanical resistance sensor (SMRS) could measure soil mechanical resistance.•SMRS measures soil mechanical resistance index (SMRI) continuously at four depths.•SMRS was sensitive enough to measure changes in soil moisture content and operational depth.•Good correlations were obtained between...

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Bibliographic Details
Published in:Soil & tillage research 2016-04, Vol.157, p.93-100
Main Authors: Abbaspour-Gilandeh, Yousef, Rahimi-Ajdadi, Fatemeh
Format: Article
Language:English
Subjects:
Cone index
Failure mode
Multiple blades sensor
Octagonal ring transducer
Strain gauge
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Summary:•Soil mechanical resistance sensor (SMRS) could measure soil mechanical resistance.•SMRS measures soil mechanical resistance index (SMRI) continuously at four depths.•SMRS was sensitive enough to measure changes in soil moisture content and operational depth.•Good correlations were obtained between SMRI and soil cone index at different depths.•Low soil disturbance and low variations in measurement are some advantages of SMRS. A multiple blade soil mechanical resistance sensor (SMRS) that could measure soil mechanical resistance index (SMRI) continuously at four depths was designed, constructed and tested in two field conditions. Results showed that the effects of soil moisture content and depth on SMRI were significant (P
ISSN:0167-1987
1879-3444
DOI:10.1016/j.still.2015.11.013