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Fig. 5. Micrographs of dye-stained and undyed soil from Ap and BA horizons: (A) thin section, under partially polarized light, of Ap horizon at 6 cm, (B) polished block of dye-stained soil from BA horizon at 37 cm, (C) polished block of BA horizon at 28 cm showing fecal pellets (arrow), and (D) polished block of undyed soil from BA horizon at 28 cm; c = channel, d = dye-stained soil, s = sand grain, u = undyed soil, v = void. Bar length = 5 mm.
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