At Kroger, the information is used to understand the sales and profits by supplier and by variety, he said.
"It’s not just what you pay for an item but what goes out the door," he said about shrink.
The retailer also has found the stacked bar codes eliminate errors at check-out.
With the advent of UPC codes, he said 80% of checkers think they know the product code and frequently guess wrong, resulting in ringing in lower prices.
Consumers using self check-out also don’t like to have to look up a product. With the stacked bar code on the decals, they simply scan the produce item as they would any other food item, he said.
In addition, the stacked bar codes allow computer-assisted ordering of produce.
"Today with the right type of information, it works just as well ordering peaches as it does with canned soup," Ross said.
Should a food safety issue occur, he said they can implement a controlled recall, using robotic calls to contact only those who bought the product rather than implementing a widespread recall.