title: RELATION OF AGE AND OF SEASONAL CONDITIONS TO COMPOSITION OF ROOT, PETIOLE, AND LEAF BLADE IN RHUBARB.
authors.affiliation: Division of Horticultural Crops and Diseases, United States Department of Agriculture, Washington, D. C.
authors.forename: C W
authors.initials: CW
authors.lastname: Culpepper
authors.forename: J S
authors.initials: JS
authors.lastname: Caldwell