title: Multiple Site Uptake of Individual Cations by Roots as Affected by Hydrogen Ion.
authors.affiliation: SOIL AND WATER CONSERVATION RESEARCH DIVISION, AGRICULTURAL RESEARCH SERVICE, U. S. DEPARTMENT OF AGRICULTURE, BELTSVILLE, MARYLAND.
authors.forename: M
authors.initials: M
authors.lastname: Fried
authors.forename: J C
authors.initials: JC
authors.lastname: Noggle