Question

merits and demerits of surface irrigation.

Answer 1

MERITS OF SURFACE IRRIGATION:
1)Local irrigators generally have at least minimal understanding of how to operate and maintain the system.
2)They are less affected by climatic and water quality characteristics.
3)These system can be developed at the farm level with minimal capital investment.
DIMERITS OF SURFACE IRIGATION;
1)The soil which must be used to convey the water over the field has properties that are highly varied both spatially and temporarily.