Irrigation & Water Resources
Irrigation & Water Resources
Definition :-
The process of artificial application of water to the soil for the growth of
agriculture
crop is termed as Irrigation.
Necessity Of Irrigation:-
- Insufficient Rainfall.
- Uneven Distribution of Rainfall
- Perennial crops (Like Sugarcane, Cotton, etc. (Require water almost for full year.))
- Development of Agriculture in Desert area.
Benefits of Irrigation:-
- Increased yield of crops.
- protection from famine.
- Improvement of cash crops (Vegetables, Fruits, tobacco etc. )
- Prosperity of farmers.
- Source of revenue.
- Navigation(Canal system can be use for Communication & Transportation of Agriculture goods)
- Hydroelectric power generation.
- water Supply.
- Development of fishery.
Ill Effects Of Irrigation:-
- Rising of water table(Due to seepage soil may develop alkaline property which is harmful to the crops.)
- Formation of marshy land.
- Dampness(cold) in weather (In Commanded area of an Irrigation project.)
- Loss of valueble lands(Lands get submerged in storage reservoir at Dams, weirs etc.)
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Time Required to cover the given area with water:-
Furrow Irrigation Method:-
- Only 1/5th to 1/2 of the land surface is watted by water.
- Less evaporation less pudding of soil.
- permits cultivation sooner after Irrigation.
Irrigation notes....
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