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    Question

    The desirable depth of ploughing for shallow rooted

    crops is ............................ cm?
    A 31 to 35 Correct Answer Incorrect Answer
    B 6 to 8 Correct Answer Incorrect Answer
    C 15 to 40 Correct Answer Incorrect Answer
    D 11 to 20 Correct Answer Incorrect Answer

    Solution

    The desirable depth of ploughing is 12 to 20 cm for field crops. The ploughing depth varies with effective root zone of the crop. The depth of ploughing is 10-20 cm for shallow rooted crops and 15-30 cm for deep rooted crops.

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