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    Question

    Soil nutrient deficiencies can manifest in various ways, affecting crop health and yield. Which specific deficiency in rice crops is linked to Khaira disease, characterized by the appearance of bronzed patches on the leaves and leading to reduced growth and productivity?

    A Nitrogen deficiency Correct Answer Incorrect Answer
    B Phosphorus deficiency Correct Answer Incorrect Answer
    C Potassium deficiency Correct Answer Incorrect Answer
    D Zinc deficiency Correct Answer Incorrect Answer
    E Iron deficiency Correct Answer Incorrect Answer

    Solution

    Khaira disease in rice is caused by a deficiency of zinc in the soil, leading to bronzing of leaves and poor crop growth, which can severely affect yield.

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