In 1972, California tomato processors processed 4,526,200 tons of tomatoes from approximately 180,000 acres with a yield of just over 25 tons/acre. Forty years later, in 2011, California tomato processors processed 12,396,150 tons of tomatoes from approximately 273,100 acres with a yield of over 45 tons/acre which reflects an increase in efficiency of 80% per acre. Interestingly, the nominal price per ton increased from $34/ton in 1972 to $68/ton, a 100% increase.
California League Of Food Producers