Question

    Agronomic method of controlling soil erosion are employed if the slope is…………………

    A 16-33% Correct Answer Incorrect Answer
    B 5% Correct Answer Incorrect Answer
    C <2% Correct Answer Incorrect Answer
    D 10% Correct Answer Incorrect Answer
    E 20-30% Correct Answer Incorrect Answer

    Solution

    Less than 2%: Agronomic measures; more than this: Engineering measures.

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