The percentage distribution of each metal fraction in oxidized condition in paddy soil samples in Zhangjiagang County.

<p>L means lower pH (<6), M means moderate pH (6–7), H means higher pH (>7). Note: significant interactions within and between factors are presented in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0097327#pone-0097327-t002" target="_blank">Table 2</a>.