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    Question

    Which of the following methods can help in preventing

    soil erosion? 1. Contour bunding 2. Cover cropping 3. Gully plugging 4. Crop rotation Select the correct answer using the code given below:
    A 1, 2 and 3 only Correct Answer Incorrect Answer
    B 2, 3 and 4 only Correct Answer Incorrect Answer
    C 1, 2 and 4 only Correct Answer Incorrect Answer
    D 1, 2, 3 and 4 Correct Answer Incorrect Answer

    Solution

    Contour bunding, Contour terracing, regulated forestry, controlled grazing, cover cropping, mixed farming and crop rotation are some of the remedial measures which are often adopted to reduce soil erosion. In bigger gullies, the erosive velocity of water may be reduced by constructing a series of check dams. Th is can be done by gully plugging, terracing or by planting cover vegetation. 

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