http://www.ers.usda.gov/Data/CostsAndReturns/data/Forecast/cop_forecast.xls
Posted link is cost of production spreadsheets for American field crops. Just reading the foot note the cost numbers are based on old numbers but it is interesting. I wonder if there projections took into account the massive cost increases in fuel and fertilizer. I think I will take a hunt for western Canada budgets, they are usually available at regional Ag offices