Question

Why are modern irrigational methods preferred over traditional methods?

Answer 1

Traditional methods fails in areas like mountains & hilly regions whether modern methods are easy to serve water in all corners. Overcomes like overflooding & over irrigation in traditional methods can be neglected in modern methods. Sometimes , crops like cotton Harabhara needs minimum water for normal growth .

Answer 2

Advantage of modern irrigational methods
1. Areas having scarcity of water can be successfully irrigated.

2. Uneven ground level where irrigation is not possible by other irrigation methods can be irrigated by sprinkler method.

3. No problem of waterlogging

4. Places having maximum temperature where crops might get destroyed, sprinkler irrigation method maintains humid environment for the crops.

5 .Where soil textures may be of different nature, for example, sandy soil at some places and stony soil at others places.

6. It requires lesser number of labourers hence, it can be developed even where there are less workers.

7. Irrigation may be required in large areas.

8.Drip irrigation method saves 30 to 70 per cent water and it is possible to irrigate three times more area with the same amount of water.

9. In this method, weeds do not spread because water reaches only near plants and does not spread in the whole field.

10.Evaporation lose of water is minimized.

11.Fertilizers and insecticides can also reach the plant directly by solution in the water and it saves 30 to 60 per cent chemical fertilizers as well as 40 to 50 per cent pesticides along with saving of water.

12. For drip irrigation bacteria causing diseases in crops do not grow because of dry atmosphere near plants.

Traditional and Modern Irrigation Methods

1. Traditional Irrigation Methods:

(i) Check Basin Method

(ii) Furrow Irrigation Method

(iii) Strip Irrigation Method

(iv) Basin Irrigation Method.

2. Modern Irrigation Methods:

(1) Sprinkler Irrigation Method

(2) Drip Irrigation Method

(3) Pot Irrigation Method.