Micro-irrigation technology is now widely accepted by most of the
farmers in the world. Drip irrigation was named in Israel in 1959. Drip
irrigation also called as micro irrigation or trickle irrigation is a
remarkable water saving technology developed decades ago. It is commonly
used all over the world in nurseries, greenhouses, landscapes, kitchen
gardens and variety of industrial applications. The major amount of
fresh water is utilized by the agriculture for irrigation purpose. By
using a drip irrigation the water will be maintained at a constant level
that is the water will reach the roots drop by drop. Because of
increasing demand for freshwater, optimal usage of water resources
should be practiced with great extent of automation technology such as
solar power, microcontroller, sensors, remote control, embedded system
etc. There are lots of benefits of automation in drip irrigation- the
real time useful controlling system for monitoring and controlling all
activities of drip irrigation more efficiently. Drip irrigation by
automation helps the farmers to apply the right amount of water at right
time, regardless of availability of labour. This reduces the wastage of
water and improves the crop performance and help saving time in all
aspects.
The developed irrigation automation system can be used in several
commercial agricultural productions since it is available in low cost
and provide reliable operation. Using sensor-based site-Specific
irrigation has some advantages such as preventing moisture stress of
trees, diminishing of excessive water usage, ensuring of rapid growing
weeds and derogating salinization, save water from wastage. If different
kinds of sensors (that is, temperature, humidity, and moisture etc.)
are involved in irrigation, it may be possible that an internet based
remote control of irrigation automation will be possible. The developed
system also transfers fertilizer and the other agricultural chemicals
(calcium, sodium, ammonium, zinc) to the field by adding new sensors and
valves. Thus it is very essential to have an automated drip system for
higher productivity and effective utilization of water for surplus
production.
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