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      Question

      A wheat crop grown on two hectare area produced 10 ton

      grain and required 5 irrigations of 6 cm each, find out its field water use efficiency
      A 33.33 kg/ha-mm Correct Answer Incorrect Answer
      B 16.67 kg/ha-mm Correct Answer Incorrect Answer
      C 3.33 kg/ha-mm Correct Answer Incorrect Answer
      D 1.67 kg ha-mm Correct Answer Incorrect Answer

      Solution

      Field water use efficiency=Yield/WR Yield= 10 ton= 10×1000 kg WR= 6 cm= 60 mm FWUE= 1000/60=16.67 kg/ha-mm

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