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. 2015 Jun 19;5:11439. doi: 10.1038/srep11439

Figure 4. Values and error bars of SOC, SIC and δ13C of SIC in soils (0–20 cm) collected in 1996, 2002 and 2009 from the LTE site.

Figure 4

(a) SOC content, (b) SIC and (c) δ13C of SIC with (empty bars) and without (solid bars) addition of organic materials.