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Table 2 Potential mineralizable soil carbon (C0) obtained through fitting the model (\( {C}_{cum}(t)={C}_0\times \left(1-{e}^{-{k}_0t}\right) \)) to cumulative mineralized carbon (C cum ) at temperature and moisture incubation conditions

From: Recalcitrant carbon controls the magnitude of soil organic matter mineralization in temperate forests of northern China

Forest type Moisture (%) 5 °C 10 °C 15 °C 20 °C 25 °C 30 °C
Pinus 30 4.12 a 3.70 a 3.97 a 3.87 a 3.72 a 3.75 a
60 3.95 a 4.15 a 4.08 ab 4.00 a 3.89 a 3.77 a
90 4.22 a 4.26 a 4.51 b 4.08 a 4.09 a 3.95 a
Oak 30 3.86 a 4.11 a 4.04 a 3.60 a 4.06 a 3.34 a
60 3.73 a 3.76 a 4.01 a 3.91 a 3.84 a 3.89 b
90 4.10 a 4.06 a 4.23 a 4.22 a 4.24 a 4.14 b
Mixed 30 4.75 b 4.46 b 4.04 a 3.83 a 4.05 a 4.41 a
60 3.92 a 3.86 a 4.06 a 3.88 a 3.90 a 3.59 a
90 4.09 ab 4.07 ab 4.31 a 4.06 a 4.16 a 3.95 a
  1. Variant lowercase letter means significant difference at P < 0.05 among moisture gradients (n = 5)