Methods of Irrigation

Q. A sprinkler irrigation system is suitable when

1. The land gradient is steep
2. The soil is having low permeability
3. The water table is low
4. The crops to be grown have deep roots

Q.

If there is low rainfall in a village throughout the year, what measures will you suggest to the farmers for better cropping?

Q. Which of the following statements is correct for the sprinkler irrigation method?

1. It is used for the rice and jute
2. It is used for the soil has very low infiltration rate.
3. It is best suitable for very light soil
4. It requires borders and field channels

Q. Method of applying water directly to the root zone of the plant is called

1. Check flooding
2. Drip method
3. Furrow method
4. Sprinkling method

Q. In an irrigation system, water was delivered to the field in ditches spaced about 30 m apart and was allowed to seep into the ground to maintain the water table at such a height that the water is available to the crops through the capillary fringe. This method of irrigation is called

1. Trickle irrigation
2. Furrow irrigation
3. Border irrigation
4. Sub-surface irrigation

Q. Which technique of water distribution in farms is also called trickle irrigation?

1. Border flooding
2. Drip irrigation
3. Sprinkler irrigation
4. Free flooding

Q.

What is irrigation? what is it necessary?

Q. A sprinkler irrigation system is suitable when

1. The land gradient is steep and the soil is easily erodable
2. The soil is having low permeability
3. The water table is low
4. The crops to be grown have deep roots

Q. Consider the following statements:
(i) In sub-surface irrigation, water is supplied to a series of ditches half to one metre deep and 25 to 50 cm wide having vertical sides.
(ii) In sprinkle irrigation, centrifugal pumps are used.
(iii) In trickle irrigation the feeding bottle technique is used.
Which of the following statement(s) is/are correct?

1. (i) and (ii)
2. (i) and (iii)
3. (ii) and (iii)
4. (i), (ii) and (iii)