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    Question

    Under conservationย  tillage how much of the field area

    is covered with the residue of crop?
    A 30-50% Correct Answer Incorrect Answer
    B 55-67% Correct Answer Incorrect Answer
    C 20-25% Correct Answer Incorrect Answer
    D 100% Correct Answer Incorrect Answer

    Solution

    Under conservation tillage which was started in USA 30-50% of field area is covered with residue of crop.ย 

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