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    Question

    If irrigation water is NOT limited, groundnut grown in a

    sandy loam soil should be irrigated throughout crop period using which of the following schedule
    A 50 % depletion of available soil moisture or IW/CPE ratio of 0.6 Correct Answer Incorrect Answer
    B 25 % depletion of available soil moisture or IW/CPE ratio of 1.0 Correct Answer Incorrect Answer
    C 25 % depletion of available soil moisture or IW/CPE ratio of 0.6 Correct Answer Incorrect Answer
    D 50 % depletion of available soil moisture or IW/CPE ratio of 0.75 Correct Answer Incorrect Answer

    Solution

    Irrigation should be applied when the soil moisture level decreases to 75% of the available soil moisture capacity or when the crop has consumed an amount of water equal to its evapotranspiration.

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