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    Question

    What is the typical range of pressure at which

    tensiometers are used in soil moisture measurement?
    A 0.5 to 1.5 bar Correct Answer Incorrect Answer
    B 0 to 0.8 bar Correct Answer Incorrect Answer
    C 1.5 to 2.0 bar Correct Answer Incorrect Answer
    D 2.0 to 2.5 bar Correct Answer Incorrect Answer

    Solution

    Tensiometers are commonly used in the negative pressure range (tension), typically from about 0  to 0.8 bar, to measure soil moisture and determine when irrigation is needed, as they reflect the soil's ability to hold water against the force of gravity.

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