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Table 1 The main properties of forest and paddy soils in the Huitong National Research Station of Forest Ecosystem in Hunan Province, subtropical China

From: Nitrogen addition reduced carbon mineralization of aggregates in forest soils but enhanced in paddy soils in South China

Properties Forest soil Paddy soil
pH 3.43 ± 0.04a 4.09 ± 0.01b
SOC (mg g−1) 30.29 ± 1.20a 24.12 ± 1.11b
TN (mg g−1) 2.15 ± 0.13a 1.82 ± 0.21b
C/N 14.10 ± 0.92a 13.39 ± 1.99a
NH4+-N (mg kg−1) 24.09 ± 1.11a 8.85 ± 0.40b
NO3-N (mg kg−1) 2.24 ± 0.17a 12.06 ± 0.56b
DOC (mg kg−1) 39.09 ± 5.06a 87.83 ± 1.99b
TP (mg g−1) 0.45 ± 0.06a 1.09 ± 0.07b
N/P 4.84 ± 0.66a 1.68 ± 0.27b
TK (mg g−1) 40.80 ± 5.53a 41.32 ± 5.46a
MBC (mg kg−1) 259.9 ± 102.9a 1666.8 ± 53.9b
MBN (mg kg−1) 63.06 ± 12.94a 115.27 ± 7.98b
MBC/MBN 4.02 ± 0.74a 14.49 ± 0.78b
Soil texture (%, clay/silt/sand) 45/49/6 33/57/10
  1. Different letters denote the significant differences between forest and paddy soils by Student’s T-test (p < 0.05)