The annual wheat production of the United States more than tripled in the fifty years between 1871 and 1921; it increased from about 250 million bushels during the period of 1869-70-71 to over 750 millions during the period of 1919-20-21.
The annual wheat production of the United States more than tripled in the fifty years between 1871 and 1921. It increased from about 250 million bushels during the period of 1869-70-71 to over 750 millions during the period of 1919-20-21.