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. 2012 Dec 13;7(12):e49990. doi: 10.1371/journal.pone.0049990

Figure 3. Net effects of NP (black squares) and CNP (open triangles) fertilization (mean ± SE) on litter SIR (data pooled across mesh-size) as a function of the initial litter species-specific DOC concentration.

Figure 3

Net fertilization effects are defined as the absolute difference between values measured on control plots and those measured on the plots of the respective fertilization treatment.