DEVELOPMENT OF MINI-GYPSUM BLOCKS FOR SOIL MOISTURE MEASUREMENT AND THEIR CALIBRATION TO COMPENSATE FOR TEMPERATURE

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KEYHANI A.

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Journal Paper

Paper Information

Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY Year:2001 | Volume:3 | Issue:2 Page(s): 141-145

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Title

DEVELOPMENT OF MINI-GYPSUM BLOCKS FOR SOIL MOISTURE MEASUREMENT AND THEIR CALIBRATION TO COMPENSATE FOR TEMPERATURE

Author(s)

KEYHANI A. | Issue Writer Certificate

Keywords

MATRIC SUCTION

NORMALIZED RESISTANCE DEVIATION

PLASTER OF PARIS

TEMPERATURE CALIBRATION

WATER CONTENT

Abstract

To measure soil water content (or soil matric suction) in thin layers of about 30mm, conventional gypsum blocks are not suitable. To carry out the task, mini-gypsum blocks were constructed using plaster of Paris in an innovative fashion. A power relationship was found between the soil water content and the mini-gypsum blocks’ readings in kΩ. The calibration results showed that readings of mini-gypsum blocks were sensitive to temperature. A normalized resistance deviation method was adopted to compensate for the effect of temperature on the sensor readings. After calibration, the high coefficient of determination obtained ensured the use of the mini-gypsum blocks for further experiments.

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APA: Copy

KEYHANI, A.. (2001). DEVELOPMENT OF MINI-GYPSUM BLOCKS FOR SOIL MOISTURE MEASUREMENT AND THEIR CALIBRATION TO COMPENSATE FOR TEMPERATURE. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 3(2), 141-145. SID. https://sid.ir/paper/530737/en

Vancouver: Copy

KEYHANI A.. DEVELOPMENT OF MINI-GYPSUM BLOCKS FOR SOIL MOISTURE MEASUREMENT AND THEIR CALIBRATION TO COMPENSATE FOR TEMPERATURE. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2001;3(2):141-145. Available from: https://sid.ir/paper/530737/en

IEEE: Copy

A. KEYHANI, “DEVELOPMENT OF MINI-GYPSUM BLOCKS FOR SOIL MOISTURE MEASUREMENT AND THEIR CALIBRATION TO COMPENSATE FOR TEMPERATURE,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 3, no. 2, pp. 141–145, 2001, [Online]. Available: https://sid.ir/paper/530737/en

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