title: Mineral Deficiency and Organic Constituents in Tobacco Plants. I. Alkaloids, Sugars, and Organic Acids.
authors.affiliation: United States Department of Agriculture, Agricultural Research Service, Beltsville, Maryland.
authors.forename: T C
authors.initials: TC
authors.lastname: Tso
authors.forename: J E
authors.initials: JE
authors.lastname: McMurtrey
authors.forename: T
authors.initials: T
authors.lastname: Sorokin