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Fig. 6. The direct and inverse estimated draining {theta}(h) and K(h) in (a) a structured sandy clay loam field sample, L = 3.2 cm; (b) a repacked loam, L = 2.5 cm; and (c) a repacked fine sand, L = 2.5 cm. The open markers indicate direct estimates prior to air-entry. Solid triangle is independently measured {theta}s.