The depth of water required by crops during the base period is called_____________________?
Correct answer: D. Delta of water
- A. Frequency of water
- B. Acre inch
- C. Duty of water
- D. Delta of water
Explanation
Delta is the total depth of irrigation water required by a crop throughout its base period. Duty is different: it is the area irrigated by a unit discharge flowing during the crop period.
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