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Fig. 1. Comparisons of volumetric soil water content from DPHP sensors: A) among MSL and PSL containers and the Ambient soil [average 5, 15, and 25 cm (0- to 30-cm profile)]; and B) between MSNL and the Ambient soil [average 5 and 15 cm (0- to 20-cm profile)]. Vertical dashed lines highlight irrigation dates. Symbols (x) along the abscissa of each graph indicate significant differences between MSL and ambient soil (P < 0.05), and plus (+) indicates significant differences between both MSL and PSL and the ambient soil on a given day (at 1800 h).
