Generally, the advantages and disadvantages of traditional irrigation methods for examples: canal irrigation, chain pump irrigation, moat irrigation, and pulley system are:
Advantages:
1) it is cheaper
2) easily available
Disadvantages:
1) it is time consuming
2) leads to wastage of water
3) involved using of animals
4) take more time as compared to modern irrigation systems
5) uses wells as a source if well is dried up it is of no use.