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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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