title: Competition Between Chelating Agents and Roots as Factor Affecting Absorption of Iron and Other Ions by Plant Species.
authors.affiliation: Mineral Nutrition Laboratory, Agricultural Research Service, USDA, Beltsville, Maryland.
authors.forename: J C
authors.initials: JC
authors.lastname: Brown
authors.forename: L O
authors.initials: LO
authors.lastname: Tiffin
authors.forename: R S
authors.initials: RS
authors.lastname: Holmes