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. 2016 Mar 10;6:22882. doi: 10.1038/srep22882

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Copyright © 2016, Macmillan Publishers Limited

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Effects of silicon (Si, 1 mM) on xylem sap K⁺ concentration (a), osmotic potential (b), and K⁺ osmotic potential contribution (c) of sorghum plants grown under control (3 mM KCl) and low K (0.05 mM KCl) conditions. All parameters were measured after 15 days of treatment. Values are presented as the mean ± SE (n = 3). Different letters in one measure indicate statistically significant differences at P < 0.05.