is the Process of providing water to the soil for crops growth.It is a science of designing economical and efficient water resource system.
It is necessary in areas which lack rainfall and plenty of water is required for crops.
Irrigation water is harmful if it consists of
- Poisonous chemicals
- Reaction of chemical with soils
- Bacteria in water
The type in which crops are supplied water by pumping water from lower level to higher level is known as lift irrigation.
Flow or surface irrigation:
The type in which water is supplied directly to soil through channel is known as flow or surface irrigation.