One of the best ways to avoid applying excessive inputs on farmland is to properly calculate equipment settings for rates of fertiltizer, pesticides and seeds. This Excel spreadsheets is available for downloading for no charge. Farmer Calibrate can be used to set sprayers, planters, planter boxes, sidedress N, and lime applications. It is also useful for calculating equipment speed and converting temperature units. To move from one function to the next click on the spreadsheet tabs at the bottom of the screen.