Question

    Weed index

    indicates
    A Herbicide efficiency Correct Answer Incorrect Answer
    B Herbicide activity Correct Answer Incorrect Answer
    C Yield reduction Correct Answer Incorrect Answer
    D herbicide toxicity Correct Answer Incorrect Answer

    Solution

    weed index refers to r efer to the reduction in crop yield due to the presence of weed in comparison to weed-free plots. 

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