A. Slopes are excessive and soil is erosive
B. The land cannot be prepared for surface method
C. Topography is irregular
D. All of the above

Ans :(D) All of the above

Explanation :-
The conditions favouring the adoption of sprinkler method, are –
(i) When the land topography is irregular, and hence unsuitable for surface irrigation.
(ii) When the land gradient is steeper, and soil is easily Erodible
(iii) When the land soil is excessively permeable, so as not to permit good water distribution by surface irrigation; or when the soil is highly impermeable.
(iv) When the water table is high.
(v) When the water is available with difficulty and is scarce.