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    Question

    In the context of integrated nutrient management, which

    of the following green manure crops is most widely used in rice-based systems due to its fast growth and high biomass production?
    A Sesbania aculeata Correct Answer Incorrect Answer
    B Vigna mungo Correct Answer Incorrect Answer
    C Crotalaria juncea Correct Answer Incorrect Answer
    D Vigna radiata Correct Answer Incorrect Answer
    E Tephrosia purpurea Correct Answer Incorrect Answer

    Solution

    Sesbania aculeata (Dhaincha) is a popular green manure crop for flooded rice fields. It grows rapidly, fixes atmospheric nitrogen through root nodules, and decomposes easily, enriching the soil with organic matter and nitrogen.

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