3Liu J G,Qian M,Cai G L,et al.Uptake and translocation of Cd in dif-ferent rice cultivars and the relation with Cd accumulation in rice grain[J].Journal of Hazardous Materials,2007,143:443-447.
4Liu H J,Zhang J L,Christie P,et al.Influence of iron plaque on uptake and accumulation of Cd by rice(Oryza sativa L.)seedlings grown in soil[J].Science of the Total Environment,2008,394:361-368.
5Hansel C M,La Force M J,Fendorf S,et al.Spatial and temporal asso-ciation of As and Fe species on aquatic plant roots[J].Environmental Science and Technology,2002,36(9):1988-1994.
6Hansel C M,Fendorf S,Sutton S,et al.Characterization of Fe plaque and associated metals on the roots of mine-waste impacted aquatic plants[J].Environmental Science and Technology,2001,35:3863-3868.
7Peverly J H,Surface J M,Wang T.Growth and trace metal absorption by Phragmites australis in wetlands constructed for landfill leachate treatment[J].Ecological Engineering,1995,5:21-35.
8Rogers E E,Eide D J,Guerinot M L.Altered selectivity in an Ara-bidopsis metal transporter[J].Pnas,2000,97(22):12356-12360.
9Welch R M,Graham R D.Breeding for micronutrients in staple food crops from a human nutrition perspective[J].Journal of Experimental Botany,2004,55(396):353-364.
10Welch R M,Combs Jr GF,Duxbury J M.Toward a‘Greener’revolution[J].Issues in Science and Technology,1997,14:50-58.