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Duty and factors effecting duty
in Irrigation Engineering by  

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Duty :-No of hectares of land that can be irrigated by the constant supply of  water at a rate of 1 cumec through out the base period.
Factors affecting the Duty are;
1.Soil Characteristics
2.Climatic Condition
3.Rainfall
4.Base period
5.Type of crop
6.Topography of land
7.Method of farming
8.Methods of irrigation
9.Water tax etc.........
by  

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