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. 2016 Jan 5;67(4):1059–1070. doi: 10.1093/jxb/erv544

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© The Author 2016. 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/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — Effective diffusion coefficient as a function of L, the side length of the cube. The results were plotted for the saturated case (S=1), corresponding to the pore space being completely full of water, and partially saturated (S=0.33), corresponding to one-third of the pore space being occupied by water. As L increased, the saturated and unsaturated effective diffusion properties were seen to converge to a steady value corresponding to the bulk diffusion coefficient. (This figure is available in colour at JXB online.)