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Immobilization of phosphorus through metal plaque formation
Iron and manganese plaque deposits are known to form on the outer surface of roots of wetland plants. Batty et al. (pp. 443-449) reveal that deposits may also be formed from aluminium. Such plaques may interfere with mineral nutrient uptake. The authors show that iron and/or aluminium plaques immobilize the essential nutrient phosphorus at the root surface.
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