Fig. 3. Tortuosity of the soil porous system of a Brazilian Rhodic Hapludox submitted to different management systems (F: secondary forest; ZT: zero-tillage; CT: conventional tillage; RT: reduced tillage). (a) Average tortuosity (τ). (b) Tortuosity in the x direction (τx). (c) Tortuosity in the y direction (τy). (d) Tortuosity in the z direction (τz).
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