Fig. 4. Contribution of the different pore shapes to porosity for the Brazilian Rhodic Hapludox submitted to different management systems (F: secondary forest; ZT: zerotillage; CT: conventional tillage; RT: reduced tillage). (a) Pores of equant (EQ) shape. (b) Pores of prolate (PR) shape. (c) Pores of oblate (OB) shape. (d) Pores of triaxial (TR) shape.
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