COMPARISON BETWEEN PVC AND TECHANAT PIPES IN SOIL MOISTURE MEASUREMENT B TDR INSTRUMENT

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SOTUDENIA A.; MIRLATIFI M.; MAHDIAN M.H.; RAZAGHI J.

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Journal: JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH Year:2001 | Volume:2 | Issue:7 Page(s): 79-87

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Title

COMPARISON BETWEEN PVC AND TECHANAT PIPES IN SOIL MOISTURE MEASUREMENT B TDR INSTRUMENT

Author(s)

SOTUDENIA A. | MIRLATIFI M. | MAHDIAN M.H. | RAZAGHI J.

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Abstract

Soil moisture measuring is vital for irrigation management and scheduling. However gravimetric method is very time consuming and destructive. In recent years, TDR (Time domain Reflectometry) techniques have been used for measuring soil moisture in short periods of time. Some TDR instruments have portable sensors, which move up and down in the access tubes installed in the soil. Therefore, it is possible to monitor soil moisture content at various depths and locations. The access tubes available by the company marketing TDR instrument is called TECHNAT and is made of special material. These tubes are expensive which limit the possibility of monitoring soil moisture at various locations with a single instrument. As a result replacing TECHNAT tubes with tubes, which are manufactured locally but not from the same material. TECHNAT tubes along with PVC access tubes were installed in two different farms. TRIME TDR was used to measure soil moisture by PVC and TECHANAT access tubes. At the same time, soil moisture was measured gravimetrically from undisturbed samples. Result of comparison between TDR readings in TECHANA T and PVC access tubes using gravimetric method indicates that both tubes can be employed with almost the same accuracy.

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APA: Copy

SOTUDENIA, A., MIRLATIFI, M., MAHDIAN, M.H., & RAZAGHI, J.. (2001). COMPARISON BETWEEN PVC AND TECHANAT PIPES IN SOIL MOISTURE MEASUREMENT B TDR INSTRUMENT. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, 2(7), 79-87. SID. https://sid.ir/paper/28008/en

Vancouver: Copy

SOTUDENIA A., MIRLATIFI M., MAHDIAN M.H., RAZAGHI J.. COMPARISON BETWEEN PVC AND TECHANAT PIPES IN SOIL MOISTURE MEASUREMENT B TDR INSTRUMENT. JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH[Internet]. 2001;2(7):79-87. Available from: https://sid.ir/paper/28008/en

IEEE: Copy

A. SOTUDENIA, M. MIRLATIFI, M.H. MAHDIAN, and J. RAZAGHI, “COMPARISON BETWEEN PVC AND TECHANAT PIPES IN SOIL MOISTURE MEASUREMENT B TDR INSTRUMENT,” JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH, vol. 2, no. 7, pp. 79–87, 2001, [Online]. Available: https://sid.ir/paper/28008/en

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