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    Question

    Which of the following is a long-term effect of urea

    application?
    A Soil becomes neutral Correct Answer Incorrect Answer
    B Soil becomes acidic Correct Answer Incorrect Answer
    C Soil becomes saline Correct Answer Incorrect Answer
    D None of the above Correct Answer Incorrect Answer

    Solution

    One of the long-term effects of urea application is that it can lead to soil acidification. Urea is a nitrogen fertilizer, and when it is applied to the soil, it undergoes a process called nitrification, where it is converted into nitrate (NO3-) ions. This nitrification process can release hydrogen ions (H+) into the soil, leading to a decrease in soil pH and making the soil more acidic over time.

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