Various sprayers are being used to protect crops from crop parasites and feed required fertilizers to crops. The use of sprayers varies depending on the crop types and need for spraying. The purpose, such as spraying herbicides, insecticides, and fertilizers.  

Spraying operations are usually performed by a manual knack sack spraying pump, powered by a battery or fuel. It contains a spray nozzle, liquid tank, sprayer pump, pressure regulator, valves and fluid plumbing. 

The large farmland requires a large capacity of the liquid tank, nozzles, accessible design, pump and pipe length of the spraying machine to spray fertilizers. The spraying machine covered large scale farmland in less time.