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.