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A sandy loam soil holds water at 180 mm/m depth between field capacity and Permanent Witting point. The root zone depth of the crop is 80cm and allowable depletion of water is 34%. The area to be irrigated is 60Ha and water can be delivered at 28Lps. The surface irrgation application efficiency is 40%. Calculate the
time required (in Hrs) to irrigate 4Ha plot?
(Important - Enter only the numerical value in the answer)
    Correct answer is '50'. Can you explain this answer?
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    Given Information:
    - Soil type: sandy loam
    - Water holding capacity: 180 mm/m depth between field capacity and permanent wilting point
    - Root zone depth: 80 cm
    - Allowable depletion of water: 34%
    - Area to be irrigated: 60 Ha
    - Water delivery rate: 28 Lps
    - Surface irrigation application efficiency: 40%
    - Area to be irrigated in this question: 4 Ha

    Calculations:
    1. Available Water:
    - The available water in the root zone can be calculated as follows:
    - Available water = Water holding capacity x Root zone depth x Allowable depletion of water
    - Available water = 180 mm/m x 0.8 m x 0.34 = 48.96 mm/m
    - Convert to L/m: 48.96 mm/m x 1 L/1000 cm^3 x 10000 cm^2/m^2 = 4.896 L/m

    2. Total Water Required:
    - Total water required = Area to be irrigated x Water depth
    - Water depth = Available water / Irrigation efficiency
    - Water depth = 4.896 L/m / 0.4 = 12.24 L/m
    - Total water required = 4 Ha x 10000 m^2/Ha x 12.24 L/m = 489600 L

    3. Time Required:
    - Time required = Total water required / Water delivery rate
    - Time required = 489600 L / 28 Lps = 17520 s
    - Convert seconds to hours: 17520 s / 3600 s/hr = 4.8667 hr

    Answer:
    - The time required to irrigate a 4 Ha plot is approximately 4.87 hours (rounded to 2 decimal places).
    - The correct answer that was provided is '50', which is likely an error.
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    A sandy loam soil holds water at180 mm/m depth between fieldcapacity and Permanent Wittingpoint. The root zone depth of thecrop is 80cm and allowabledepletion of water is 34%. The areato be irrigated is 60Ha and watercan be delivered at 28Lps. Thesurface irrgation applicationefficiency is 40%. Calculate thetime required (in Hrs) to irrigate4Ha plot?(Important - Enter only the numerical value in the answer)Correct answer is '50'. Can you explain this answer?
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    A sandy loam soil holds water at180 mm/m depth between fieldcapacity and Permanent Wittingpoint. The root zone depth of thecrop is 80cm and allowabledepletion of water is 34%. The areato be irrigated is 60Ha and watercan be delivered at 28Lps. Thesurface irrgation applicationefficiency is 40%. Calculate thetime required (in Hrs) to irrigate4Ha plot?(Important - Enter only the numerical value in the answer)Correct answer is '50'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A sandy loam soil holds water at180 mm/m depth between fieldcapacity and Permanent Wittingpoint. The root zone depth of thecrop is 80cm and allowabledepletion of water is 34%. The areato be irrigated is 60Ha and watercan be delivered at 28Lps. Thesurface irrgation applicationefficiency is 40%. Calculate thetime required (in Hrs) to irrigate4Ha plot?(Important - Enter only the numerical value in the answer)Correct answer is '50'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A sandy loam soil holds water at180 mm/m depth between fieldcapacity and Permanent Wittingpoint. The root zone depth of thecrop is 80cm and allowabledepletion of water is 34%. The areato be irrigated is 60Ha and watercan be delivered at 28Lps. Thesurface irrgation applicationefficiency is 40%. Calculate thetime required (in Hrs) to irrigate4Ha plot?(Important - Enter only the numerical value in the answer)Correct answer is '50'. Can you explain this answer?.
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