The size of the basins is influenced by several factors:
Small Basin Size is recommended if:
The land has a steep slope.
The soil is sandy.
The stream size supplying the basin is small.
A small depth of irrigation is required. Field preparation is done manually or with animal traction.

Large Basin Size can be used if:
The land is flat.
The soil is clayey.
The stream size supplying the basin is large.
A large depth of irrigation is needed.
Field preparation is mechanized.