You can make whatever changes are necessary to site-specific the budget for your farm, update the price information and you have a current budget for corn production in your farm. The same process is followed for any enterprise. Economic conditions change rapidly, therefor regardless of the publication date, always examine any economic information carefully to be sure that prices are current. Local prices for your area are the ones that should be plugged in to any budget to make it fit your situation. All items are listed separately, along with their amounts and prices, so that this can be done easily.
Economic answers are always conditional.
The most general use of a planning budget is to provide an estimate of the profitability of producing a particular crop. Established farmers may already own all the necessary equipment and want an estimate on how some new enterprise stacks up with what they are now producing. People just starting in agriculture may wonder if there is any money to be made in farming. Different situations require different interpretations of a budget. This is a short-run decision, tied to the economic life of the farm machinery.