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Research on Aluminium Speciation in Poor Forest Soils Using the Sequential Extraction Method
B. Walna 1*, J. Siepak 2, S. Drzymała 3, T. Sobczyński 2
1 Adam Mickiewicz University, Jeziory Ecological Station , P.O. Box 40, 62-050 Mosina, Poland,
2 Adam Mickiewicz University, Water and Soil Analysis Department, Drzymały 24, 60–613 Poznań, Poland
3 Agricultural University of Poznań, Soil Science Department, Mazowiecka 42, 60-623 Poznań, Poland
2 Adam Mickiewicz University, Water and Soil Analysis Department, Drzymały 24, 60–613 Poznań, Poland
3 Agricultural University of Poznań, Soil Science Department, Mazowiecka 42, 60-623 Poznań, Poland
Pol. J. Environ. Stud. 2005;14(2):243–250
KEYWORDS
ABSTRACT
Research on aluminium speciation was performed using a slightly modified version of Tessier’s pro-cedure. The soils under study displayed strongly acidic character (pHKCl of 3.3 - 4.4). The content of alu-minium in the exchangeable (11 mg/kg), acid extractable (67 mg/kg), oxidizable (2650 mg/kg), reducible (658 mg/kg) and residual fraction (24,680 mg/kg) varied widely. The percentage of labile phase (sum minus residual) obtained for mean values in the profile amounted to 12.1%, which may indicate its considerable bioavailability. The soil profile under study displayed a lithogenically dichotomous structure, which was also reflected in the aluminium content in the particular fractions.
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