title: Effects of Micronutrient Deficiencies on Mineral Composition, Nitrogen Fractions, Ascorbic Acid and Burn of Tobacco Grown to Flowering in Water Culture.
authors.affiliation: FIELD CROPS RESEARCH BRANCH, U. S. DEPARTMENT OF AGRICULTURE, BELTSVILLE, MARYLAND.
authors.forename: R A
authors.initials: RA
authors.lastname: Steinberg
authors.forename: A W
authors.initials: AW
authors.lastname: Specht
authors.forename: E M
authors.initials: EM
authors.lastname: Roller