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Which of the following is not a type of surface drainage system?

  • A.Bedding systems
  • B.Furrow systems
  • C.Vertical systems
  • D.Ditch system

Answer: C

The one that is not a surface drainage system is Vertical systems.

Surface drainage removes excess water from the land surface through shaped land and shallow channels. Its systems include the bedding system (land formed into raised beds with furrows between), random and parallel ditch systems, and furrow (field ditch) systems.

Vertical drainage lowers the water table by pumping from wells. It is a form of subsurface drainage, not surface drainage.

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