AGR-111
Lecture
Irrigation systems of Pakistan
By: Dr Ghulam Abbas Shah
Irrigation: Artificial application of water to the land
Irrigation systems in Pakistan
1. Main intake structure
and pumping station
2. Conveyance and
distribution system
3. Field...
1. Main intake structure and pumping station
• Rivers
• Lakes
• Dam
• Barrage
Annual flow of the
rivers is 142 MAF
1. Main intake structure and pumping station
Tube well
Annual water flow is 33 MAF
Barrage
2. Conveyance and distribution system
• Canals
• Distributaries
• Minor
• Field water course
2. Conveyance and distribution system
Canals
Irrigation canal Link Canal
2. Conveyance and distribution system
Distributaries and minors
2. Conveyance and distribution system
• Distributaries
• Field water
course
3. Field application system
I. Surface irrigation
II. Subsurface irrigation
III. Sprinkler irrigation
IV. Drip irrigation
I. Surface Irrigation
Application of water to the field at ground level.
a) Basin irrigation
b) Furrow irrigation
c) Borde...
I. Surface Irrigation
a) Basin irrigation
Basins are horizontal, flat plots of land, surrounded by small dykes or bunds.
P...
a) Basin Irrigation for wheat
I. Surface Irrigation
b) Furrow irrigation
Furrow are narrow ditches dug on the field between the rows of crops.
Furrow irrigation by opening the bank or dyke of the ditch
Tomatoes
Furrow irrigation by opening the bank or dyke of the ditch
Lettuce
Furrow irrigation by means of syphons
Maize
Furrow irrigation by means of syphons
Furrow irrigation by means of spiles
Furrow irrigation by means of perforated pipes
Sugarcane
c)
i. Straight border irrigation
ii. Contour border irrigation
ii. Contour border
II. Subsurface Irrigation
In subsurface irrigation water is applied to a series of field ditches deep into soil surface.
II. Subsurface Irrigation
Cotton
III. Sprinkler Irrigation
With sprinkler irrigation, artificial rainfall is created.
III. Sprinkler Irrigation
Single gun sprinkler
III. Sprinkler Irrigation
Rotating sprinkler
III. Sprinkler Irrigation
Several rotating sprinkler heads
IV. Drip Irrigation
non-return valve
IV. Drip Irrigation
IV. Drip Irrigation
Maize Apple trees
Irrigation system of Pakistan
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Irrigation system of Pakistan

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Irrigation system of Pakistan, Irrigation water application techniques

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Irrigation system of Pakistan

  1. 1. AGR-111 Lecture Irrigation systems of Pakistan By: Dr Ghulam Abbas Shah
  2. 2. Irrigation: Artificial application of water to the land
  3. 3. Irrigation systems in Pakistan 1. Main intake structure and pumping station 2. Conveyance and distribution system 3. Field application system 4. Drainage system
  4. 4. 1. Main intake structure and pumping station • Rivers • Lakes • Dam • Barrage Annual flow of the rivers is 142 MAF
  5. 5. 1. Main intake structure and pumping station Tube well Annual water flow is 33 MAF Barrage
  6. 6. 2. Conveyance and distribution system • Canals • Distributaries • Minor • Field water course
  7. 7. 2. Conveyance and distribution system Canals Irrigation canal Link Canal
  8. 8. 2. Conveyance and distribution system Distributaries and minors
  9. 9. 2. Conveyance and distribution system • Distributaries • Field water course
  10. 10. 3. Field application system I. Surface irrigation II. Subsurface irrigation III. Sprinkler irrigation IV. Drip irrigation
  11. 11. I. Surface Irrigation Application of water to the field at ground level. a) Basin irrigation b) Furrow irrigation c) Border irrigation
  12. 12. I. Surface Irrigation a) Basin irrigation Basins are horizontal, flat plots of land, surrounded by small dykes or bunds. Peppers
  13. 13. a) Basin Irrigation for wheat
  14. 14. I. Surface Irrigation b) Furrow irrigation Furrow are narrow ditches dug on the field between the rows of crops.
  15. 15. Furrow irrigation by opening the bank or dyke of the ditch Tomatoes
  16. 16. Furrow irrigation by opening the bank or dyke of the ditch Lettuce
  17. 17. Furrow irrigation by means of syphons Maize
  18. 18. Furrow irrigation by means of syphons
  19. 19. Furrow irrigation by means of spiles
  20. 20. Furrow irrigation by means of perforated pipes Sugarcane
  21. 21. c)
  22. 22. i. Straight border irrigation
  23. 23. ii. Contour border irrigation
  24. 24. ii. Contour border
  25. 25. II. Subsurface Irrigation In subsurface irrigation water is applied to a series of field ditches deep into soil surface.
  26. 26. II. Subsurface Irrigation Cotton
  27. 27. III. Sprinkler Irrigation With sprinkler irrigation, artificial rainfall is created.
  28. 28. III. Sprinkler Irrigation Single gun sprinkler
  29. 29. III. Sprinkler Irrigation Rotating sprinkler
  30. 30. III. Sprinkler Irrigation Several rotating sprinkler heads
  31. 31. IV. Drip Irrigation non-return valve
  32. 32. IV. Drip Irrigation
  33. 33. IV. Drip Irrigation Maize Apple trees
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