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. 2015 Apr 22;10(4):e0122884. doi: 10.1371/journal.pone.0122884

Fig 2. Effects of NZVI treatments on peanut seed germination.

Fig 2

a) reprehensive photograph of seeds after 2 days, b) reprehensive photograph of seedlings after 4 days, c) length of the seedlings after 4 days, and d) TGA analyses of selected seeds after 2 days. Different letters show significant differences (p⩽0.05) and bars represent the standard error of treatments (n = 4). NZVI was indicated by dark arrow.