In the No. 1 corn and soy state of Iowa on Friday, scouts estimated the state's yield at 146 bpa, down 16 percent from the average of 174.7 bpa in the same areas of the state last year.
There is no benefit in delaying the introduction of common allergens such as milk and soy in children, and observational studies have suggested that early avoidance may actually increase the chance of developing allergies, experts said.