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    Question

    Match List I with List II

    cellspacing="0" cellpadding="0"> List I List II A. Bray I. Law of diminishing return B. Mitscherlich II. Per cent yield concept C.O.W. Wilcox III. Nutrient Index D. Parker IV. Inverse Nitrogen-Yield concept Choose the correct answer from the options given below:
    A A-II, B-IV, C-III, D-II Correct Answer Incorrect Answer
    B A-II, B-II, C-I, D-IV Correct Answer Incorrect Answer
    C A-II, B-I, C-IV, D-III Correct Answer Incorrect Answer
    D A-IV, B-III, C-II, D-I Correct Answer Incorrect Answer

    Solution

    The law of diminishing returns-Mitscherlich (1909), Bray gave % yield concept and Parker gave nutrient index, Wilcox gave Inverse yield nitrogen law in 1929; Parker gave the percent yield concept.

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