Merits:
- Most of the canals provide perennial irrigation. This saves the crops from drought conditions and helps in increasing the farm production.
- Canals carry a lot of sediments brought down by the rivers. The sediments is deposited in the agriculture fields which adds to the fertility.
- Some of the canals are parts of multipurpose project and therefore provide cheap source of irrigation.
- Low operational cost.
Demerits:
- Leads to the problem of water logging along the canal route.
- Capillary action brings alkaline salts to the surface and makes large area unfit for agriculture.
- The marshy areas near the canals act as breeding grounds of mosquitoes which result in widespread malaria.
- Many canals over flow during rainy season and flood the surrounding areas.
- Canal irrigation is suitable in 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube