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- For other uses, see pesticide application, spray (disambiguation), spraying (disambiguation), and spray bottle.
A sprayer is a device used to spray a liquid.
In agriculture, a sprayer is a piece of equipment that is used to apply herbicides, pesticides, and fertilizers on agricultural crops. Sprayers range in size from man-portable units (typically backpacks with spray guns) to trailed sprayers that are connected to a tractor, to self-propelled units similar to tractors, with boom mounts of 60–151 feet in length.
A bottle with a hand-pumped sprayer
Agricultural air sprayer, trailed model
Self-propelled row-crop sprayer