Potential Iron and Phosphate Mobilization During Flooding of Soil Material
作者： C. P. Szilas , O. K. Borggaard , H. C. B. Hansen , J. Rauer
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摘要: This study shows that mobilization of phosphate from soils under anaerobic conditions can be intimately coupled with reductive dissolution iron oxides. Among four soil samples the reclaimed Skjerna estuary in Denmark incubated anaerobically and amended glucose, 28–39% dithionite-citrate-bicarbonate-extractable 10–25% oxalate-extractable phosphorus (Pox) were released to solution after 31 days. Significant correlation (r = 0.992**) between molar ratio Pox/(Feox + Alox) for aerobic (PP sol/Fesol) (the during incubation), indicates saturation status is an important determinant amount flooding moderately acid soils.
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