Question

    Which one of the following crops are grown to increase soil fertility?

    A Black Gram Correct Answer Incorrect Answer
    B Rice Correct Answer Incorrect Answer
    C Wheat Correct Answer Incorrect Answer
    D Cotton Correct Answer Incorrect Answer

    Solution

    Black Gram is a leguminous crop that helps increase soil fertility by fixing atmospheric nitrogen through symbiosis with Rhizobium bacteria in its root nodules. This process enriches the soil with nitrogen, making it more fertile for subsequent crops.

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