By Ajay Anand
Farmers need to supply water to crops at regular intervals. This practice is called irrigation.
Sources of Irrigation: Wells, tube-wells, ponds, lakes, rivers, canals, etc.
In traditional method, human or animal labour is used.
Moat, Rahat, Dhekli and Chain Pumps are examples of traditional methods of irrigation.
This is composed of a pulley, a bucket and a rope.
When rope is pulled through over the pulley bucket comes up filled with water.
This is composed of a pulley, a bucket and a rope.
When rope is pulled through over the pulley bucket comes up filled with water.
Chain pump is composed of a wheel which is turned with the help of a chain.
Many circular discs are fitted along with the chain.
Movement of discs along with the chain helps in drawing water.
Dhekli is composed of a long wooden beam which turns around a lever.
A bucket is fitted at the longer end of the beam.
The shorter end is pressed and raised by foot to fill and lift water.
Rahat is also called Persian Wheel because it came from Persia.
Rahat is composed of a big wheel with buckets fitted on the rim.
Rahat is turned with the help of cattle, which helps in drawing water from a reservoir.
The sprinkler system is composed of a series of pipelines.
Vertical sprinklers are fitted at suitable gaps on the pipes.
The nozzle of the sprinkler keeps on rotating, which sprinkles water on plants.
In this system, pipes are laid near the base and along the queue of plants.
The pipes have small holes at frequent gaps.
The holes facilitate gradual dripping of water on the base of plants.
Plants contain nearly 90% water.
Water is essential for germination of seeds.
Water is essential for proper growth of plants.