canola
Corn, primarily; it gets turned into ethanol which is used as fuel.
Corn is the major agricultural crop in South Dakota. Soy beans and wheat are 2nd and 3rd.
Corn for grain to feed livestock is the major cash crop in South Dakota.
Tobacco and rice.
cotten
cotton
In the south they were known for growing tobacco and cotton.
Cotton and tobacco are the two big ones.
Cotton
rice
The crops in the South were cash crops and crops in the North were consumable crops.
Sugar cane and coffee.