Question:
The total depth of water needed for a crop during its base period is known as
The total depth of water needed for a crop during its base period is known as
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Delta = Depth ($\Delta$ = Depth). It’s how "deep" the water would be if you poured it all on the field at once.
Updated On: May 5, 2026
- Rain fall intensity
- Run off
- Duty
- Delta
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The Correct Option is D
Solution and Explanation
Step 1: Concept In irrigation engineering, there are specific terms used to define the relationship between water volume, area, and crop requirements.
Step 2: Meaning "Base Period" is the time from the first watering of a crop to its last watering before harvest.
Step 3: Analysis Delta ($\Delta$) represents the total cumulative depth of water (in cm or m) that the crop requires over its entire base period. Duty, on the other hand, is the area of land that can be irrigated by a unit discharge of water.
Step 4: Conclusion The total depth is called Delta.
Final Answer: (D)
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