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    Question

    Khaira disease of rice can be controlled by spraying of

    ____________ .
    A Copper sulphate Correct Answer Incorrect Answer
    B Manganese sulphate Correct Answer Incorrect Answer
    C Borax Correct Answer Incorrect Answer
    D Zinc sulphate Correct Answer Incorrect Answer

    Solution

    Khaira disease in rice is caused by zinc deficiency and can be effectively controlled by spraying zinc sulphate on the crops. This treatment helps improve plant growth, corrects the deficiency, and prevents the characteristic symptoms like chlorosis and stunted growth.

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