Many chemicals are lower priced. Volume discounts for chemicals and seed were not considered, but can be substantial. The astute farm operator, therefore, should shop around and try to bargain for the most economical package. Repair costs for machinery are mixed, but tending slightly higher due to inflation and technical improvements. Because these budgets are intended for planning guides only, the user should adjust costs, yields and expected selling prices.
Most budgets are highly sensitive to sale price and yield.
Yields can vary greatly among the counties within a district and from one farm to the next. Also, sales prices obtained will vary greatly with marketing techniques and strategies. Rescue pesticide treatments are used in some budgets. When they are used, it is assumed that the treatment is applied only where needed at label recommendations, not at the lighter amounts shown in the budget. Since this is a public domain program, a copy can be obtained from the South Dakota Extension Service.