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    What will be the depth of irrigation (cm), for a crop scheduled at CPE of 8 cm and IW/CPE ratio of 0.8?
    Question

    What will be the depth of irrigation (cm), for a crop scheduled at CPE of 8 cm and IW/CPE ratio of 0.8?

    A.

    64

    B.

    0.64

    C.

    6.4

    D.

    10

    Correct option is C

    Formula: Depth of irrigation (IW) = IW/CPE × CPE
    =0.8×8=6.4= 0.8 \times 8 = 6.4=0.8×8=6.4 cm
    This method is used in irrigation scheduling based on pan evaporation.

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