However, the people in the southern Interior Plains nearly destroyed it by employing foreign (i.e. non-local) farming practices which resulted in the Dust Bowl of the 1930s. The Dust Bowl ended because 1) many farmers who were doing harmful agricultural practices left the region which allowed 2) the grassland to grow back and 3) the use of the Ogallala Aquifer to support agriculture.
The third point has allowed agriculture, both family and industrial, to expand in the southern Interior Plains. However, the overuse of the aquifer risks another agricultural failure which when combined with a drought poses the risk of another Dust Bowl. Take a look at the map of where the Dust Bowl was and where the worst depletion of the aquifer is. This is a cause for worry in the long term.
|Map from Dust Bowl Odyssey.|
|This Stratfor map (click to enlarge) shows the greatest depletion in the worst place possible.|