title: Absorption of Ionic Species of Orthophosphate by Barley Roots: Effects of 2,4-Dinitrophenol and Oxygen Tension.
authors.affiliation: SOIL AND WATER CONSERVATION RESEARCH BRANCH, AGRICULTURAL RESEARCH SERVICE, U. S. DEPARTMENT OF AGRICULTURE, BELTSVILLE, MARYLAND.
authors.forename: H T
authors.initials: HT
authors.lastname: Hopkins