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Extractable Fe, Al, Si and C in B horizons of podzolic and brunisolic soils from Ontario



Extractable Fe, Al, Si and C in B horizons of podzolic and brunisolic soils from Ontario



Canadian Journal of Soil Science 65(3): 489-496



To investigate the content of amorphous forms of Fe, Al and Si in podzolic soils, the B horizons from 54 Humo-Ferric Podzols and 24 Eluviated Dystric Brunisols were sampled in northern Ontario. Dithionite-citrate-bicarbonate (DCB) Fed and Al3, acid NH4-oxalateFeo, Alo and Sio, Na-pyrophosphate Fep, Alp and Cp and NaOH-tetraborate Fet and Alt were determined on all samples. Feo/Fed ratios averaged 0.87 and suggested that most of the extractable Fe was amorphous.

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Accession: 001364887

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