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    Question

    Which tree species is commonly used in agroforestry for

    its nitrogen-fixing properties, enhancing soil fertility?
    A Quercus spp Correct Answer Incorrect Answer
    B Pinus spp. Correct Answer Incorrect Answer
    C Acacia spp Correct Answer Incorrect Answer
    D Acer spp Correct Answer Incorrect Answer

    Solution

    Acacia species are often used in agroforestry because they are known for their ability to fix nitrogen from the air and improve soil fertility through nitrogen fixation.

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