Water Resources — Geography STD 10 — Question

Advantage:
(i) This method can be practised in arid, semi-arid and hilly areas as it saves water.
(ii) There is minimum wastage of water as water is supplied directly to the roots and hardly any water gets evaporated.
(iii) It is helpful in conserving water and reducing soil erosion.
Disadvantage:
(i) It is expensive.
(ii) Pipes can get clogged due to soil and impure water.