If Iowa wants to think of itself as an agricultural superpower, it can go right ahead, based on a study by the Earth Policy Institute showing that Iowa farmers produced more grain, in tonnage, than either Canada or China, despite fewer acres.
In 2010, Iowa produced 55 million tons of grain, mostly corn, on about 13 million acres, compared with 45 million tons of corn and wheat in Canada on 30 million acres.
"The difference in yield per acre is huge, just 1.4 tons in Canada against more than 4 tons in Iowa," the report says.
With soybeans, Iowa produced 13 million tons in 2010 while China produced 15 million tons, mirroring their average production figures over the past five years. While Iowa has less than 10 million acres in soybeans, China has 22 million acres. Yield per acre in Iowa is 1.4 tons, exactly double the 0.7 tons of China.
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