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. 2014 Jul 18;9(7):e102681. doi: 10.1371/journal.pone.0102681

Figure 4. Scanning electron micrographs with 100 magnification of rice leaves.

Figure 4

Scale bars  = 30 mm. SC, silica cell. A: the top second rice leaf epidermis of a control plant without silicon fertilizer at the anthesis stage; B: the top second rice leaf epidermis of a silicon-treated rice plant grown with slag (H) applied at a rate of 935 mg plant-available Si per kg soil at the anthesis stage.