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.

• 摘要采用土-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。