At the head of the canal, there are numerous losses to occur later which requires more amount of water to irrigate a particular field. Definition of duty of canal water: Understand the reasons for this variation, primarily due to water losses during conveyance.
Chow YunFat
The duty at various locations in a canal irrigated system is indicated as follows: At the head of the canal, there are numerous losses to occur later which requires more amount of water to irrigate a particular field. Duty shows the degree of efficient utilization of irrigation water supplied from a canal to any crop.
Duty of water goes on increasing as water flows, for example, in the figure 3, let c be the head of the field, b be the head of the water course or the field channel, and a be the head of the.
It is the number of hectares of land irrigated for full growth of a given crop by a supply of 1 cumec of water continuously during the entire base period of that crop. However, if considered on the field, all losses have already. Duty at the head of main canal is dm, duty at the head of distributary is dd, and duty at the. However, if considered on the field, all.
Explore how water duty changes from the main canal head (m) to the field (f).
