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Table I

Range of bulk density (BD) and selected chemical characteristics in the 0–15 cm top soil layer of soils of S. Bartolomeu da Serra. (LPx – Haplic Leptosols on schists; LVx – Epileptic Luvisols; LPst – Haplic Leptosols on sandstones; AR – Haplic Arenosols).

a Determined in undisturbed samples.

b By the wet oxidation method.

c Extracted by ammonium acetate at pH 7.

d Extracted by the Egnér-Riehm method.