An ATV/UTV/Lawn Tractor-Mounted Sprayer is utilized for watering and/or applying herbicides/pesticides/fertilizer to limited-acreage row crops and lawns and for the chemical control of unwanted vegetation. Most brands/models consist of: a UV-/chemical-resistant polyethylene tank (capacity ranging from 12 to 40 gallons) that's secured to the vehicle with tie-down straps; a diaphragm pump that runs off the vehicle's battery, dispensing 2 or more gph under up to 60 psi pressure; and any of three spray-delivery systems-spot (hand-held wand), broadcast, boom spraying.