Question
Download Solution PDFIf the duty for a crop is 864 hectares per cumec on the field and base period for this crop is 120 days, then the delta for a crop is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Duty: The duty of water is the relationship between the volume of water and the area of the crop it matures. It is defined as the area irrigated per cumec of discharge running for base period B. The duty is generally represented by D.
\(D = \frac{{8.64B}}{\Delta } \)
Where,
Δ = Total depth of water required (in meter)
D = Duty in ha/cumec
B = Base period (in days)
Calculation:
Given:
B = 120 days
Duty = 864 hectares/cumec
⇒ Total depth of water required (Δ),
⇒ \(\rm \Delta = \frac{{8.64 \times 120}}{{864}} = 1.2 \ m\)
∴ Delta of crop = 120 cm
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