Fig. 3. Effect of As and P amendment (mg kg^–1) on the P accumulation by Chinese brake fern (Pteris vittata L.) grown in the presence (•) or absence () of mycorrhizal inoculum; frond concentration (A–C) and content (D–F) and root concentration (G–I) and content (J–L). Data points represent means of five replicates ± SEM.