There have been many studies over the years on these kinds of things.
The uniqueness of the produce isn't just that it's so perishable; it's that a strawberry was picked on Monday morning and you can put it on your breakfast food on Friday. It may have shipped directly from the farmer's field to the chain store, but it's gone through four or five different hands to get there. It has been consolidated and reconsolidated. Who's the checkoff program going to go to?