Fig. 4. Drying (solid symbols) and wetting (open symbols) water retention functions of intact and cut aggregate samples. Large symbols represent retention data obtained from the summed field-moist volumes and masses (Table 2) for each group of samples. Small symbols and errors bars indicate the arithmetic means and the 95% confidence limits obtained from individual samples. Solid lines are the fitted VG-type (van Genuchten, 1980) retention functions.

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