Which of the following statements are correct?(a) Low head bubbler irrigation is a modified method of sprinkler irrigation.(b) Micro spray irrigation is a modified method of sprinkler irrigation.(c) Water application efficiency is usually higher in clayey soils than sandy soils.(d) In sprinkler irrigation system water is applied at lower rates than soils in filterability to prevent ponding and surface run off.

• A. Only (a)
• B. Only (b)
• C. (a) and (b)
• D. (c) and (d)