The system includes a laser-transmitting unit that emits an infrared beam of sunshine which will travel up to 700m in an exceedingly perfect line. The second part of the laser system may be a receiver that senses the infrared beam of sunshine and converts it to an electrical signal. The electrical signal is directed by a sway box to activate an electrical hydraulic valve. Several times a second, this hydraulic valve raises and lowers the blade of a grader to stay it following the infrared beam.
Laser transmitters create a reference plane over the work area by rotating the beam of light 360 degrees. The receiver detects the beam and automatically guides the machine to keep up proper grade. The laser may be level or sloped in two directions. This can be all accomplished automatically without the operator touching the hydraulic controls.
Laser leveling of agricultural land may be a recent resource-conservation technology. It is the potential to alter the way food is produced by enhancing resource-use efficiency of critical inputs with none disturbing and harmful effects on the productive resilience of the ecosystem.
In spite of several direct and indirect benefits derived from laser land leveling technology, yet to become a preferred farming practice within developing and also the underdeveloped countries.
Ans : Standard Tractor is 30 HP to 90 HP .
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