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Question

The following data were noted from an irrigation field:

The net irrigation requirement per meter depth of soil will be

A
75 mm
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B
125 mm
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C
50 mm
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D
25 mm
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Solution

The correct option is D 25 mm
Net irrigation requirement

= Consumption Use - Effective Rainfall

=0.5×(0.20.1)×1510×1000

=0.05×1510×1000=75 mm

Effective rainfall = 50 mm

Net irrigation requirement

= 75 mm - 50 mm = 25 mm

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