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. 2014 Feb 14;9(2):e88752. doi: 10.1371/journal.pone.0088752

Figure 4. Percentage of residual lignin in each substrate in different N treatments.

Figure 4

Lv_BD, Lv_BL, Lv_EG, Lv_NA and Lv_PA indicate leaf litter at the BD, BL, EG, NA and PA sites, respectively; St_NA, St_PA indicate sheath litter at the NA and PA sites, respectively; Tg_EG, Tg_NA and Tg_PA indicate twig litter at the EG, NA and PA sites, respectively. Error bars represent the standard deviations of the means (n = 3). Asterisks (*) indicates significant differences between the control and at least one N treatment (α = 0.05).