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Table 5 Mineralized recalcitrant carbon (C r  = C cum C0) during the incubation period for three forest types under different 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 35.68 a 36.37 a 44.05 a 25.72 a 23.12 a 28.33 a
60 43.11 b 57.81 b 59.59 a 53.60 b 48.03 b 39.29 b
90 57.87 c 67.87 b 92.29 b 59.23 b 59.79 b 49.29 c
Oak 30 37.25 a 35.55 a 43.88 a 29.10 a 42.60 a 23.31 a
60 43.69 ab 53.85 ab 70.87 ab 64.54 ab 60.90 ab 59.44 b
90 66.02 b 71.81 b 104.98 b 99.87 b 89.94 b 80.57 b
Mixed 30 32.50 a 33.94 a 37.77 a 27.56 a 26.94 a 18.48 a
60 51.35 ab 50.65 ab 73.44 b 54.16 ab 55.29 ab 43.40 ab
90 66.18 b 65.50 b 95.77 b 79.83 b 89.54 b 66.87 b
  1. Variant lowercase letter means significant difference at P < 0.05 among moisture gradients (n = 5)