3. Contents
• Drip Irrigation
• History
• Types(Sub-Surface & Surface)
• Components of Drip Irrigation System
• Example of Drip irrigation system
• Advantages & Disadvantages
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4. Drip Irrigation
• Also known as trickle
irrigation.
• Potential to save water and
nutrients.
• Both surface and sub surface
irrigation.
• More efficient then sprinkler
irrigation.
Drip irrigation
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5. History
1. Pitcher irrigation(CHINA)2000 years ago
2. Subsurface Clay pipes(GERMANY)1860’s
3. Perforated Clay Pipes(GERMANY) 1920
4. Use of plastic pipe(Australia) 1945
5. Plastic emitter(Israel) 1959
Pitcher Irrigation
System
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6. Types
Sub-Surface Drip Irrigation(SSDI)
• Plastic pipes are preferable
• Expensive and Rare method
• Pipes buried under the soil to a
depth of about 20cm to 50cm
• Use of Porous pipes or perforated
pipes or Pipes with Emitters.
• Clogging due to Roots or Salts
Sub-Surface Drip Irrigation(SSDI)
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7. Types
Surface Drip Irrigation(SDI)
• Most preferable technique
then SSDI
• No need of excavation of soil
• Use large number of Emitters
then SSDI.
• Used On-line and In-line
Emitters
Surface Drip Irrigation (SDI)
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8. Components of Drip Irrigation System
(1)
Water Source
(2)
Pumping System
(3)
Distribution
System
(4)
Injectors
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9. Components of Drip Irrigation System
(5)
Filters
(6)
On-line Emitter(left)
In-line Emitter(Right)
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10. Drip irrigation in Pakistan
• Mr Aslam, progressive farmer from
toba tek singh.
• Owner of 6 acre land.
• In 2013-2014, adopted this technique
provided by Punjab Irrigated
agriculture productivity improvement
Project(PIPIP) and double his profit
from 70000PKR to 130000 PKR per
acre.
• Uniform fruit size, and more fruit on
strong & resilient branches leading to
higher yield per plant Citrus orchard Toba Tek singh
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11. Advantages/Dis-Advantages
Advantages
• Water saving solution
• Donot need specially trained
person to operate it.
• Better yield of crops.
• Unifrom application of
fertilizers and pesticides.
• No soil erosion
Disadvantages
• Installation process need a lot
of time.
• Pipe blockage
• Require regular maintenance.
• High initial cost.
• PVC pipes often suffer rodents
damage.
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