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The effect of 50 and 300 mg L−1 Zn on root and shoot water content (WC) of Triticum aestivum plants after a 7-day treatment. Values are means of six replicates, and vertical bars represent SE. a denotes significant differences between Zn-treated plants and the control, and b between 50 and 300 Zn variants at p ≤ 0.05
