(a) basin method
(b) check flooding
(c) furrow irrigation
(d) sprinkler irrigation

Ans : (d) sprinkler irrigation

Sprinkler method consists of applying water in form of spays. This method is adopted when
(i) The land cannot be prepared for surface methods
(ii) Slopes are excessive
(iii) Topography is irregular
(iv) Soil is erosive
(v) Soil is excessively permeable or impermeable
(vi) Depth of soil is shallow over gravel or sand.
(vii) When seepage loss is more
(viii) When fertilizers and insecticides are to be mixed with irrigational water.
(vix) The availability of water is difficult.