Design of Drip Irrigation System

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Command Area Information• A command area map giving layout is necessary to plan anddesign a drip irrigation system• It may not be necessary to have a detailed contour plan but itis helpful if a plan showing the highest and lowest points alongwith well location is given• This enables proper design of main line and laterals
Discharge Capacity of a PumpQ = 27.78 (AD/RT)Where:Q = Discharge of pump (lps)A = Area (ha)D = Depth of irrigation (cm)R = No of days for which water is pumpedT = Duration of pumping (hrs/day)ExampleA= 5 haD = 100 cmR = 150 daysT = 6 hrs/dayQ = 15 lps
Page 2 and 3: Drip Irrigation?Drip irrigation is
Page 4 and 5: Components of Drip Irrigation Syste
Page 6 and 7: Criteria for System Selection• Ec
Page 10 and 11: Selection of Type and Number of Emi
Page 12 and 13: Design of Mainline and Laterals The
Page 14 and 15: Hazen-Williams Equation (C=150)∆
Page 16 and 17: Frictional Head Losses (m/100 m) fo
Page 20 and 21: Frictional Head Losses (m/100m) for
Page 24 and 25: Frictional Head Loss (m/100 m) for
Page 26 and 27: Head Losses in Valves and Accessori
Page 28 and 29: Design of Prime MoverPower requirem
Page 30 and 31: ExampleDesign a drip irrigation sys
Page 32 and 33: Example (cont)• Divide the area i
Page 34 and 35: Irrigation Scheduling• Crop : Cit
Page 37 and 38: Energy/Head LossesHead loss in pipe

Design of Drip Irrigation System

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