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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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