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    Question

    Normal EC value of the saturation extract (EC) of soil

    is___
    A > 4.0 ds/m Correct Answer Incorrect Answer
    B 2.0-3.0 dS/m Correct Answer Incorrect Answer
    C < 1.0 ds/m Correct Answer Incorrect Answer
    D 1.0-2.0 dS/m Correct Answer Incorrect Answer
    E 3.0-4.0 dS/m Correct Answer Incorrect Answer

    Solution

    Normal EC value of the saturation extract (EC) of soil is 1.0-2.0 dS/m. 

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