MEMPHIS, Tenn. — A recent study by agricultural economists James Mitchell and Hunter Biram indicates that low levels on the Mississippi River have increased transportation costs and barge freight rates in getting crops to the market. Both say that it has cost producers millions of dollars.
The study defines low levels as minus five feet at Memphis.
The two found that, on average, Arkansas soybeans alone lost as much as 58 cents per bushel, depending on farm location…