Irrigation
Irrigation: Overview
This Topic covers sub-topics such as Irrigation, Sprinkler System, Drip System, Modern Methods of Irrigation, Sources of Irrigation, Traditional Methods of Irrigation, Moat Irrigation, Dhekli, Chain Pump Irrigation, Lever System and, Soil Water Retention
Important Questions on Irrigation
What is irrigation? Is the timing for irrigation of all crops same?
Dhekli system of irrigation is a good traditional method in urban areas.
Guess the plant:
This plant requires high amount of water for their growth.
(Rice/Cactus).
Chain pump irrigation consists of several circular discs that are placed on an endless chain.
What are the advantages and disadvantages of the chain pump system?
The chain pump system of irrigation involves only one wheel.
Identify the picture and write about it.
Name one traditional method of irrigation.
Dhekli is a modern method of irrigation.
Explain any one traditional method of irrigation.
What do you understand by the Dhekli system of irrigation?
Write two advantages of time of irrigation.
Time of irrigation is not essential for the growth and development of crops.
What do you understand by time of irrigation?
Frequency of irrigation varies from crop to crop, soil to soil and season to season.
Frequency of irrigation is _____ in summer.
Why is the frequency of irrigation higher in summer?
What do you understand by frequency of irrigation?
Match the following traditional irrigation systems in column A with their respective explanation in column B.
| A | B |
| 1) Moat irrigation | a) Water is directly taken out through a bucket and poured it into the field. |
| 2) Chain pump | b) Water is directly taken out of wells with the help of a pulley and is used to irrigate fields. |
| 3) Dhekli | c) Wheels are turned by cattle to take water out of the well. |
| 4) Rahat | d) In this system, several circular discs are positioned on an endless chain. |
Rahat is a traditional irrigation method in which pulley-system is used.
