Authors: Natalie Hoidal and Ken Rost (Frost Inc.). Calibrating your sprayer before you spray is an important step to ensure you are applying the correct amount of product to your crop. This article gives step-by-step instructions on calibrating a small-scale sprayer for fruit and vegetable farms. This includes calculating how much product to use on small plantings, a question we receive frequently. Calibration of a manual sprayer – gallons per acre Image: Ken Rost Always calibrate with water Spray a set area (340 sq feet), and count the number of seconds it takes Make sure to keep a consistent walking speed and pumping speed if you're using a sprayer with a mechanical pump Spray into separate a container for the same amount of time and collect the water Measure the amount of water in your container; Ounces collected will equal your output in gallons / acre Use label instruction for amount of product included in each gallon of total volume Calibration example: It ...
