The changes occurring in worldwide soybean production have been well-documented and discussed.  This simple illustration shows the change in soybean production around the world since 1961. Use the controls at the bottom of the map to view the changes in soybean production over time.

current data:  http://www.fas.usda.gov/psd/complete_tables/OIL-table2-24.htm

historical data http://www.fas.usda.gov/psd/complete_files/OIL-4232001.csv