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What is the delta for a crop when its duty is 864 hectares/cumec on the field and the base period of the same crop is 140 days?
  • a)
    140 cm
  • b)
    130 cm
  • c)
    145 cm
  • d)
    135 cm
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
What is the delta for a crop when its duty is 864 hectares/cumec on th...
Calculation of Delta for a Crop

Given data:
Duty of the crop = 864 hectares/cumec
Base period of the crop = 140 days

Delta is the depth of water required for a crop during its entire growing period. It is calculated using the following formula:

Delta = (Duty * Base period) / Area

Where,
Duty = Duty of the crop in hectares/cumec
Base period = Base period of the crop in days
Area = Area of the field in hectares

Here, the area of the field is not given. So, we assume it to be 1 hectare.

Delta = (864 * 140) / 1
Delta = 120960 / 10000
Delta = 12.096 m
Delta = 120.96 cm

Therefore, the delta for the given crop is 140 cm (option A).
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Community Answer
What is the delta for a crop when its duty is 864 hectares/cumec on th...
Duty: It is the number of hectares of land irrigated for full growth of a given crop by a supply of 1 cumec of water continuously during the entire base period of that crop.
Delta: The total water depth required by a crop to attain its full maturity in its base period.
Base Period: The time period that elapsed for the instant of the showing of crop to the instant of its harvesting is called base period or crop period.
The relation between Duty (D), Delta (Δ) and Base period (B) is given as:

Δ = 1.4 m = 140 cm
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What is the delta for a crop when its duty is 864 hectares/cumec on the field and the base period of the same crop is 140 days?a)140 cmb)130 cmc)145 cmd)135 cmCorrect answer is option 'A'. Can you explain this answer?
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