SSSAJ -- Kallestad et al. 72 (3): 758 Figure IG7

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Fig. 7. Voltage output after a normal irrigation in the private orchard: (A) rapid decline (–3.9 mV h^–1) at 50-cm depth 12 h after irrigation; (B) a slow decline (–0.026 mV h^–1) at 75-cm depth 144 h after irrigation.