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. 2019 Apr 5;10:416. doi: 10.3389/fpls.2019.00416

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Copyright © 2019 Nikolic, Nesic, Bosnic, Kostic, Nikolic and Samardzic.

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) and the copyright owner(s) 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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Effect of Si nutrition on visual symptoms of Fe deficiency in barley (Hordeum vulgare). Plants were pre-cultured for 4 days in a nutrient solution supplied with 20 μM NaFeIIIEDTA and then grown for 3 weeks in Fe-free nutrient solution, with or without a supply of 1.5 mM Si(OH)₄ (+Si and -Si, respectively). Control plants (C) were grown in solution supplied with 80 μM NaFeIIIEDTA, without Si.