The South's four major crops are: Corn, Soybean, Wheat and Cotton.
Corn (Maize) - in 2015, the area harvested maize was 87 millions acres. It was named the state's official grain in Illinois.
Soybean - By 2000 covered 70 million acres. (america's largest crop).
Wheat - the harvesting occurs on land area of 60-63 million acres.
Cotton - remains a major export of Southern United States.