Question

    The C:N ratio of humus is

    A 20:1 Correct Answer Incorrect Answer
    B 20:3 Correct Answer Incorrect Answer
    C 10:2 Correct Answer Incorrect Answer
    D 10:1 Correct Answer Incorrect Answer

    Solution

    The C: N ratio of soil is one of its characteristics equilibrium values, the figure for humus being roughly 10:1.

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