Iowa is the largest producer of corn in the US.
Corn - Iowa Wheat - Kansas Cotton - Texas Potatoes - Idaho
The US produces more corn than any other country. The cornbelt is an area through the Midwest of the US that produces the most corn in the country.
US produces the most corn and CHINA produces the 2nd most corn.
Iowa
Iowa
The US
Nevada.
Michigan
Ohio
Texas
Kentucky.
No region produces more corn than the US, since it is by far the world's largest producer. Not sure about wheat.