The effect of rice root iron plaque on Pb uptake was investigated using excised rice roots with high iron plaque(HP)and low iron plaque(LP),manipulated by soil water content.

• 采用土-砂联合培养方法诱导水稻根表形成不同数量的铁膜:高铁膜(HP)和低铁膜(LP),探讨铁膜形成的多少对水稻离体根系吸收铅的影响。