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      Question

      Drum culture technique is used to determine WR of 

      which of the following crop?
      A Maize Correct Answer Incorrect Answer
      B wheat Correct Answer Incorrect Answer
      C Rice Correct Answer Incorrect Answer
      D Sugarcane Correct Answer Incorrect Answer

      Solution

      Drum culture technique is used to determine water requirement of lowland rice. In this method, four drum of size 50×50×50 cm are taken i.e. A, B, C and D. A and B have bottom while C and D are without bottom. All the drums are embedded in soil leaving 20 cm above soil surface. Rice is transplanted in drum A, C & D. and rice seedlings without roots are planted in drum B and the data on percolation, evaporation, ET, transpiration and effective rainfall is obtained.

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