title: Mineral deficiency & organic constituents in tobacco plants. III. Plant growth & alkaloid contents related to gradual development of calcium or boron deficiency symptoms.
authors.affiliation: United States Department of Agriculture, Agricultural Research Service, Crops Research Division, Beltsville, Maryland.
authors.forename: T C
authors.initials: TC
authors.lastname: Tso
authors.forename: J E
authors.initials: JE
authors.lastname: McMurtrey
authors.forename: R N
authors.initials: RN
authors.lastname: Jeffrey