Development and Calibration of Automated Multiple-Ring Infiltrometer
Olotu Y.1, Parker-Ikharo. F.2, Rodiya, A.A3, Evboifo N.O.4, Jubril A. A.5, Diamond B.6
1Olotu Y. Senior Lecturer, Department of Agricultural & Bio-Envi. Eng., Auchi Polytechnic, Auchi, Edo State, Nigeria.
2Parker-Ikharo. F Department of Civil Engineering, Auchi Polytechnic, Auchi, Edo State, Nigeria.
3Rodiya A.A. Department of Agricultural & Bio-Envi Engineering, The Federal Polytechnic, Ado-Ekiti, Nigeria.
4Evboifo N.O: Head, Department of Agricultural Technology, Auchi Polytechnic, Auchi, Nigeria.
5Jibril A.A.: Department of Electrical & Electronics Engineering, Auchi Polytechnic, Auchi, Edo State, Nigeria.
6Diamond B. Lecturer, Department of Mechanical, Auchi Polytechnic, Auchi, Nigeria.
Manuscript received on 17 July 2021 | Revised Manuscript received on 03 August 2021 | Manuscript Accepted on 15 August 2021 | Manuscript published on 30 August 2021 | PP: 6-9 | Volume-1 Issue-3, August 2021 | Retrieval Number: 100.1/ijpte.C2016081321 | DOI: 10.54105/ijpte.C2016.081321
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Abstract: An automatic triple-ring infiltrometer was developed using a set of pre-set sensors and transducer (AP 403, AP 404, AP 405 and AP 406, RAP001 and RAP002). The aluminum probe sensors were graduated and arranged in series to monitor the rate at which water is infiltrating into the soil layer. The working principle of automatic triple-ring infiltrometer was developed using six probes with depth calibration of 1.0mm, 26.7 mm, 12.4 mm, and 12.7 mm, respectively. The result obtained showed strong agreement with a coefficient of determination R2= 0.963, indicating positive proportionality between cumulative infiltration and time taken for the water to infiltrate at different depths. The instrument has a measuring accuracy of ± 0.3mm infiltration depth. The device works effectively under biochar amended soil and other soil formations with high precision. Accurate infiltration data generated by the instrument would be applied to estimate the depth of water available to plant and predict possible agricultural drought.
Keywords: Triple-ring infiltrometer, Probe sensor, Soil layer, Calibration, Accuracy.
Scope of the Article: Tool and Precision