title: COMPARISONS OF GROWTH BY TOBACCO AND SUNFLOWER TISSUE ON SYNTHETIC MEDIA CONTAINING VARIOUS SOURCES OF ORGANIC NITROGEN.
authors.affiliation: DEPARTMENT OF PLANT PATHOLOGY, UNIVERSITY OF WISCONSIN, MADISON, WISCONSIN.
authors.forename: E M
authors.initials: EM
authors.lastname: Frank
authors.forename: A J
authors.initials: AJ
authors.lastname: Riker
authors.forename: S L
authors.initials: SL
authors.lastname: Dye