Question

5. (a) What is irrigation? Why is irrigation necessary?
(b) Name the various sources of irrigation in our country. ​

Answer 1

Answer:

a]Irrigation is necessary:

To meet the water requirements of crops. The water holding capacity of different types of soil differs and irrigation helps to retain water as and when need appropriately. When rainfall is not distributed spatially, irrigation covers all the areas of the field.

b]the various sources of irrigation in our country are :- i) surface water sources . ii) groundwater sources . iii) Municipal water supplies iv) grey- water sources .

Answer 2

a) Irrigation is the process of applying water to the crops artificially to fulfil their water requirements. ... The various sources of water for irrigation are wells, ponds, lakes, canals, tube-wells and even dams. Irrigation offers moisture required for growth and development, germination and other related functions.

Irrigation is necessary because to meet the water requirements of crops. The water holding capacity of different types of soil differs and irrigation helps to retain water as and when need appropriately. When rainfall is not distributed spatially, irrigation covers all the areas of the field.

b) the various sources of irrigation in our country are :- i) surface water sources . ii) groundwater sources . iii) Municipal water supplies iv) grey- water sources .