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FIG. 4. Matric potential (p, left) and volumetric moisture content (VWC, right) distributions in the lysimeters under the (upper) no-stress (NS), (middle) intermediate stress (IS), and (lower) severe stress (SS) treatments on (A) 8 Sept., (B) 23 Oct., and (C) 8 Dec. 2005. For the VWC distributions, the horizontal coordinate was transformed to plot an L-shaped trajectory in two dimensions. Legends for potential and moisture contours are equal in all plots. (D) Location of the polymer tensiometers (left, •) and time-domain reflectometers (right, x).
