Iron chelates in fertilizer will correct iron deficiency when added to soil. One pound of iron per acre is the recommended rate. An application of iron will only work if the soil is acidic in nature, so a pH test is required.
On Location. Big was filmed on location in New Jersey and New York City. The Baskin House was filmed at, 437 Greenmount Road, Cliffside Park, NJ, USA [Thanks to Dee83] Locations used include Cliffside Park, NJ for young Josh's home and Cliffside Park Elementary School #6 as the school Tom Hanks attended.
The Barbara Hershey screen test scenes where filmed on the Plaza Hotel lobby set of Big Business (1988). The scene where Hillary and C.C. are at the store where they have their big fight around the middle of the movie was also filmed on the same set (notice the carpet is the same).