Different methods of expressing the Duty of Water

 What is Duty:-

It is the total area irrigated by a unit of water during a season  (or) 

The relation between the area of crop irrigated and the quantity of irrigation water required to supply is called Duty of water

Different methods of expressing the Duty of Water:-

• Duty can be expressed as hectares/cumecs
• Duty can be expressed as hectares/million cub.meter
• duty can be expressed as hectares/meter

ex;- If 5 cumecs of water is required for a crop in an area of 5000 hectares then the Duty is 5000/5=1000hect/cunecs