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    Question

    __________is the fraction of water entering the soil

    that must pass through the root zone in order to prevent soil salinity from exceeding a specified value.
    A Leaching requirement Correct Answer Incorrect Answer
    B Irrigation potential Correct Answer Incorrect Answer
    C Irrigation cycle Correct Answer Incorrect Answer
    D Perennial irrigation Correct Answer Incorrect Answer

    Solution

    Leaching Requirement: It is the fraction of water entering the soil that must pass through the root zone in order to prevent soil salinity from exceeding a specific value.

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