Table 1: Physical and chemical properties of a drained peat soil sampled at different depths.

VariableMean (0 to 10 cm)Results per soil depth (cm)Reported standard range
0 to 20 cm20 to 40 cm 40 to 60 cm

Physical properties
Bulk density (g/cm3)0.140.09–0.12 [31]
Water holding capacity (%)40.2275–322 [31]
Moisture (%) 80.9c84.9b88.8a90–95 [32]

Chemical properties
pH3.8a  ± 0.13.9a  ± 0.13.9a  ± 0.13.0–4.5 [31]
Conductivity (S/cm)178.5a  ± 4.6175.4a  ± 4.3172.7a  ± 2.4<200 [33]
Cation exchange capacity (cmol/kg)146.4a  ± 20.1137.6a  ± 13.7175.6a  ± 34.9200 [31] 
145 [33]
Total organic carbon (%)40.0a  ± 0.839.8a  ± 1.436.5a  ± 1.112–60 [31] 
20.4–38.4 [34]
Total nitrogen (%)1.33a  ± 0.031.18b  ± 0.041.12b  ± 0.031.10–1.67 [32]
Ammonium-Nitrogen (mg/L)138.5a  ± 16.2100.0b  ± 4.294.8b  ± 7.7n.a.
Nitrate-Nitrogen (mg/L)72.0a  ± 5.448.8b  ± 6.365.8ab  ± 3.0n.a.

Values (mean ± standard error) with different letters across the column are significantly different at ≤ 0.05.
(Note: n.a.: not available).