Look at the gallon-for each-acre software price with the sprayer. This will only be determined by a thorough calibration. Use thoroughly clean drinking water when calibrating to scale back the risk of contact with chemical substances. Go through OSU Extension Publication AEX-520 for a fairly easy calibration method: Sprays, for https://tools-directory.com/listings546466/considerations-to-know-about-how-to-spray-pesticides