Determine: Available moisture. Net depth of water application per irrigation. Irrigation frequency. Gross depth of water application. System capacity.
Determine: Available moisture. Net depth of water application per irrigation. Irrigation frequency. Gross depth of water application. System capacity.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Given the following soil and crop data are provided:
• Area to be irrigated = 50000 m2
• Soil: medium texture, loam
• Crop: Millet with peak daily water use = 6.2mm/day
• Soil moisture at field capacity = 30 cm/m
• Soil moisture at the permanent wilting point = 15 cm/m
• Allowable portion of available moisture permitted for depletion by the
crop before the next irrigation = 50%
• RZD = 80 cm
• Soil infiltration rate = 5.6 mm/hr
• Irrigation efficiency = 75%
• Operation time per day: 2 shifts per day operating at 600 minutes per
shift
Determine:
Available moisture.
Net depth of water application per irrigation.
Irrigation frequency.
Gross depth of water application.
System capacity.
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