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Question
The moisture holding capacity of the soil in a 100-hectare farm is 20 cm/m. The root zone depth of the crop is 1.0 m and peak rate to moisture use is 5 mm/day. The field is to be irrigated when 40% of the available moisture in the root zone is depleted. Calculate the frequency of irrigation.
Options:
A .  16 days
B .  18 days
C .  20 days
D .  25 days
Answer: Option A
Answer: (a).16 days

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