Practice Duty, Delta, And Base Period (37.5) - Water Requirement of Crops – Crops and Crop Seasons in India

Practice: Duty, Delta, and Base Period

Lesson 37.5Water Requirement of Crops – Crops and Crop Seasons in India

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9 questions

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6 sample questions

Question 1.
What does Duty represent in irrigation?
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Think about how land can be watered with a given water flow.
Question 2.
What is the formula for calculating Delta?
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Recall the elements that factor into Delta's calculation.
3Question 3.
What does Duty represent in irrigation?
- Area irrigated per unit discharge
- Total water needed by a crop
- Time from first to last watering
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Think about how we measure the area that can be watered.
4Question 4.
True or False: The Base Period refers to the time span during which crops are typically harvested.
- True
- False
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Think about the different stages of crop management.
Question 5.
A river supplies 8 cumecs of water. If the Duty is 10 hectares/cumec, how many hectares can be irrigated? Next, if a crop's Base Period is 50 days, calculate the Delta.
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First calculate the irrigable area, then compute the Delta.
Question 6.
A field requires 60 mm of water (Delta) for a Base Period of 20 days. What is the Duty for the crop? Use the formula Δ = (8.64 × B) / D to find D.
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Focus on the rearranging part of gathering the right values.

5 more questions in this section. Enroll free to practise them all.