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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 2 Main soil carbon forms and their ratios in the Linfen basin (LFB) and Yuncheng basin (YCB)

From: Total and dissolved soil organic and inorganic carbon and their relationships in typical loess cropland of Fengu Basin

Depth (cm) SOC (g/kg) SIC (g/kg) DOC (mg/kg) DIC (mg/kg) DOC:SOC (%) DIC:SIC (%)
LFB YCB LFB YCB LFB YCB LFB YCB LFB YCB LFB YCB
0–20 15.1 Aa 10.3 Ba 9.17 Bb 12.1 Aab 90.1 Aa 75.2 Ba 43.1 Aa 41.3 Aa 0.61 Ac 0.76 Ac 0.91 Aa 0.39 Ba
20–40 8.02 Ab 5.75 Bb 9.69 Bb 11.4 Ab 71.1 Ab 59.3 Bb 37.4 Aa 42.2 Aa 0.95 Ab 1.09 Ab 0.43 Ab 0.39 Aa
40–60 5.73 Ac 3.91 Bc 9.29 Bb 12.2 Aab         
60–80 4.95 Ac 3.38 Bc 10.6 Bb 13.4 Aa 57.3 Ac 64.9 Ab 41.5 Aa 41.8 Aa 1.24 Ba 1.88 Aa 0.39 Ab 0.39 Aa
80–100 4.35 Ac 3.14 Bc 12.5 Aa 12.8 Aa         
  1. Values followed by the same letter (capital letter between the basin and lowercase letter between layers) are not significantly different at P < 0.05 based on LSD test