The usual difference between F.T.L and M.T.L is rarely allowed to exceed _____________

River Navigation & Tank Irrigation topics include: Navigable waterways requirements, tank irrigation, tank or surplus escape weirs design. Tank irrigation is a surface irrigation method that uses tanks, sluices, and channels to direct water to crops. Tanks are small reservoirs that have been used for irrigation in India since ancient times. There are two types of tanks: System tanks: Receive water from nearby streams or reservoirs and runoff from their catchment. Non-system tanks: Depend on rainfall and are not connected to a river system.  Tank irrigation is a storage irrigation method,... Show more

River Navigation & Tank Irrigation topics include: Navigable waterways requirements, tank irrigation, tank or surplus escape weirs design.

Tank irrigation is a surface irrigation method that uses tanks, sluices, and channels to direct water to crops. Tanks are small reservoirs that have been used for irrigation in India since ancient times.

There are two types of tanks:
System tanks: Receive water from nearby streams or reservoirs and runoff from their catchment.
Non-system tanks: Depend on rainfall and are not connected to a river system. 

Tank irrigation is a storage irrigation method, while river canal irrigation is a direct irrigation method. 

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