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This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
Metal concentrations in the xylem and phloem saps of vegetative rice plants under various culture-solution metal concentrations. Phloem sap was collected from the leaf sheaths (LS-PS) of the 7th leaves. Data for Zn and Fe are from Nishiyama [41], and data for Cd are from Mariyo Kato [42].