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    Question

    RGR is equal to

    A NAR/LAR Correct Answer Incorrect Answer
    B NAR+LAR Correct Answer Incorrect Answer
    C (NAR+LAR) NAR Correct Answer Incorrect Answer
    D NAR × LAR Correct Answer Incorrect Answer

    Solution

    RGR =  1/ w × dw/ dt   , w= dry weight and t is time NAR =  1/ A × dw/ dt, A is leaf area LAR =  A/ w Relationship between RAR, NAR and LAR RGR =  1/ w × dw/ dt =  1/ w × dw/ dt × A/ A =  1/ A × dw/ dt × A/ w       From above formula     RGR= ( 1/ A × dw/ dt) A/ w = NAR×LAR

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