Wide Range of County Level Corn Yields in 2018

The average yield was 176.4 bu. per acre, down slightly from the prior yield, according to data released by USDA in March. ( Farm Journal )

In 2018 county average corn yields ranged from 42.7 bu. per acre to more than 200 bu. per acre. The average yield was 176.4 bu. per acre, down slightly from the prior yield, according to data released by USDA in March.

 

Maps from the American Farm Bureau Market Intelligence shows county-level averages were less than 100 in parts of the southeast and more than 200 bushels per acre in a wide swath of the Corn Belt.

 

“Corn yields per harvested acre were the lowest in Wake County, North Carolina, and Denton County, Texas, at 42.7 bushels per acre,” notes Farm Bureau chief economist John Newton. “They were the highest in Benton County, Washington, at 270 bushels per acre.”

Corn Yield

 

Much of the U.S. experienced lower corn yields in 2018 than in 2017. In total, 651 counties experienced poorer crop yields in 2018 relative to the prior year, with yield declines ranging from as little as 1% to greater than 50%, notes Newton.

 

“Yield declines were the sharpest in portions of the Southeast following two Category 4 hurricanes and in the western Corn Belt following excessive precipitation during harvest season,” he says.

 

Many counties in Indiana, Illinois, Ohio and South Dakota showed yield increases over 2017, some of them increasing by more than 10%.

Corn yield

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