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. 2015 Jan 21;5:808. doi: 10.3389/fpls.2014.00808

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Copyright © 2015 Tian, Lu, Xie, Zhang, Jernstedt, Hou, Ramsier and Brown.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Concentrations of Mn, Mg, B, Fe (mg kg^–1 DW), and Ca, K (g kg^–1 DW) in the petioles collected from sunflower plants treated with different foliar fertilizers. Full expanded leaves of sunflower were treated with control, CleanStart, Kick-Off, CleanStart + Kick-Off, CleanStart + Kick-Off + GroZyme, and ZnSO₄, and the concentrations of Mn, Mg, B, Fe, Ca, K of leaf veins were analyzed by ICP-MS. Compositions of the nutrients in different treatments were shown in Table 1. Data points and error bars represent means and SEs of three replicates (n = 3).