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. 2017 Mar 23;7:351. doi: 10.1038/s41598-017-00498-w

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© The Author(s) 2017

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Photosynthetic rate (A), stomatal conductance (g _s), ratio of internal to ambient CO₂ partial pressure (C _i/C _a), leaf nitrogen concentration (N _leaf), bundle sheath leakiness (Ф), and carbon isotope discrimination (Δ) in Cleistogenes squarrosa grown under variable N and water supply in the pot experiment. Error bars indicate standard error (N = 4). Different letters indicate significant differences between treatments at P = 0.05.