Surface Drainage
Construct drainage system
in the field.
· Random
system: Small scattered depression are connected by drains to one another and
conveyed to the outlet
· Parallel
system or field ditch: Fields can be graded for discharge into lateral drains
bordering the field. Lateral drains are connected to the main drains
· Parallel
open ditch system: It is resembling a parallel system excepting the drains
which are replaced by open ditches
· Bedding
system: Parallel beds are developed by shaping and smoothing the land surface
so that the run-off drain laterally from the beds to dead furrows
· Subsurface runoff systems:
Pipe/ tile drainage, mole drainage and drainage wells.