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. 2019 Feb 19;70(10):2797–2809. doi: 10.1093/jxb/erz060

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© The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 8. — (A) Correlations between 3D water depletion (WD, cm³ cm⁻³), 3D Gd-DTPA²⁻ accumulation (Acc., mmol l⁻¹), and 3D cumulative water uptake density (WUD) for a voxel size of 0.5 cm (cm³ cm⁻³ d⁻¹). (B) 1D vertical profiles of WD, Acc., and WUD over one day (24–25 d after sowing, DAS). WD represents the change of water content, Acc. represents the increase of tracer concentration, and the cumulative WUD is the total amount of water taken up by roots in each voxel. The correlations were analysed during the non-leaching period only (24–25 DAS).