Methods of Irrigation, an introductory letter to Agriculture students

1. Irrigation Methods
• Watering with a can (Time consuming)

2. Irrigation methods contd
• There are three commonly used methods: surface irrigation, sprinkler
irrigation and drip irrigation.

3. 12.2.1 Wild flooding/uncontrolled flooding
• Photo

4. Basin irrigation methods
Square or rectangular plots of 4 to 4000 m2 guided by bunds on all
the sides. Some ponding.

5. Border Irrigation
• Parraele strip 5 to 15 m in width and 75 to 300 m in length separated
by small border ridges of about 15 cm high

6. Furrow Irrigation
Aseries of ridges and furrows running down the slope. The spacing of
the furrow is ordinarily determined by the spacing of row crop. The
length of the furrow and slope depends on several factors viz., texture,
intake rate etc.

7. Sprinkler Irrigation
• Sprinkler irrigation is a method of applying irrigation water which is
similar to natural rainfall.

8. Components of sprinkler irrigation system

9. Layout of sprinklers

10. Wetting pattern of sprinkler

11. Wetting patterns for several sprinklers

12. Irrigation components & flow control devices

13. Pipes and Valves