Home > Lawn & Garden > Commercial Horticulture > Equipment > Sprayers > Ounces Equal Gallons: Sprayer Calibration [Image: spray] A simple but accurate way of checking the output of your sprayer is the H 128 method of sprayer calibration. Spraying Liquid Fertilizers and Pesticides on Home Lawns [Image: boom-type sprayer on tractor] Non-powered wheeled sprayers offer homeowners an easy and relatively inexpensive way to apply the correct rate of fertilizer and pesticides uniformly to home lawns. Sprayers for Home Gardens [Image: trigger sprayer] Whether you have a few rose bushes beside your house or a half-acre garden, you will need a sprayer to take care of your plants. Sprayer Calibration [Image: boom-type sprayer] Calibration of vehicle-mounted boom-type sprayers is simple and can be very accurate. Calibration of hand-carried sprayers is much more subjective, but it is simple to do.  more articles... An Easy Herbicide Sprayer for Turf [Image: herbicide sprayer for turf] A small, hand-held sprayer is available that will spray herbicides uniformly and with a relatively uniform droplet size. An Easy Herbicide Sprayer That Works Like A Spreader [Image: Lawn wheelie] Lawn fertilizers and pesticides are more easily applied as granules rather than liquids, but broadleaf herbicides need to be sprayed in many cases. A push-type walk-behind sprayer that resembles a spreader meets this need.