There are only three crops that show a positive net return, and barley is really not an alternative today.The table below is from the Carrington, North Dakota adult farm management program. The numbers are the actual cost averages and yields of more than 70 farmers in central North Dakota:Note there are only three crops that show a positive net return. Barley is really not an alternative today because, as we wrote last Friday, it is now almost all a contracted crop and there are now new crop contracts available. The corn profit of $11 per acre is just marginally profitable. The $61 profit potential in soybeans is still very good. These numbers go a long way to explain why North Dakota farmers will plant a million acres less corn and a milli...