soil parameters of four forest types in the present study, i.e. old growth forest (OGF), secondary forest I (SEC I), secondary forest II (SEC II) and plantation (PLF)
| Forest type . | SOC (g/kg) . | STN (g/kg) . | STP (g/kg) . | NH4+-N (mg/kg) . | NO3−-N (mg/kg) . | AP (mg/kg) . | pH . |
|---|---|---|---|---|---|---|---|
| OGF | 66.7±10.4a | 3.18±0.51a | 0.19±0.06a | 41.3±5.7a | 2.1±0.6b | 6.2±1.2a | 4.77±0.03a |
| SEC I | 38.8±4.2b | 1.97±0.19b | 0.17±0.02a | 30.3±2.4a | 3.2±0.1ab | 4.3±0.9ab | 4.77±0.02a |
| SEC II | 39.9±1.4b | 1.89±0.10b | 0.14±0.01a | 28.6±0.7a | 3.7±0.3a | 2.9±0.2b | 4.73±0.02a |
| PLF | 43.1±2.5b | 2.12±0.16b | 0.20±0.01a | 33.1±4.5a | 2.5±0.6ab | 4.3±0.2ab | 4.75±0.02a |
| Forest type . | SOC (g/kg) . | STN (g/kg) . | STP (g/kg) . | NH4+-N (mg/kg) . | NO3−-N (mg/kg) . | AP (mg/kg) . | pH . |
|---|---|---|---|---|---|---|---|
| OGF | 66.7±10.4a | 3.18±0.51a | 0.19±0.06a | 41.3±5.7a | 2.1±0.6b | 6.2±1.2a | 4.77±0.03a |
| SEC I | 38.8±4.2b | 1.97±0.19b | 0.17±0.02a | 30.3±2.4a | 3.2±0.1ab | 4.3±0.9ab | 4.77±0.02a |
| SEC II | 39.9±1.4b | 1.89±0.10b | 0.14±0.01a | 28.6±0.7a | 3.7±0.3a | 2.9±0.2b | 4.73±0.02a |
| PLF | 43.1±2.5b | 2.12±0.16b | 0.20±0.01a | 33.1±4.5a | 2.5±0.6ab | 4.3±0.2ab | 4.75±0.02a |
Abbreviations: AP = available phosphorus, NH4+-N = ammonium nitrogen, NO3−-N = nitrate nitrogen, SOC = soil organic carbon, STN = soil total nitrogen content, STP = soil total phosphorus content.
soil parameters of four forest types in the present study, i.e. old growth forest (OGF), secondary forest I (SEC I), secondary forest II (SEC II) and plantation (PLF)
| Forest type . | SOC (g/kg) . | STN (g/kg) . | STP (g/kg) . | NH4+-N (mg/kg) . | NO3−-N (mg/kg) . | AP (mg/kg) . | pH . |
|---|---|---|---|---|---|---|---|
| OGF | 66.7±10.4a | 3.18±0.51a | 0.19±0.06a | 41.3±5.7a | 2.1±0.6b | 6.2±1.2a | 4.77±0.03a |
| SEC I | 38.8±4.2b | 1.97±0.19b | 0.17±0.02a | 30.3±2.4a | 3.2±0.1ab | 4.3±0.9ab | 4.77±0.02a |
| SEC II | 39.9±1.4b | 1.89±0.10b | 0.14±0.01a | 28.6±0.7a | 3.7±0.3a | 2.9±0.2b | 4.73±0.02a |
| PLF | 43.1±2.5b | 2.12±0.16b | 0.20±0.01a | 33.1±4.5a | 2.5±0.6ab | 4.3±0.2ab | 4.75±0.02a |
| Forest type . | SOC (g/kg) . | STN (g/kg) . | STP (g/kg) . | NH4+-N (mg/kg) . | NO3−-N (mg/kg) . | AP (mg/kg) . | pH . |
|---|---|---|---|---|---|---|---|
| OGF | 66.7±10.4a | 3.18±0.51a | 0.19±0.06a | 41.3±5.7a | 2.1±0.6b | 6.2±1.2a | 4.77±0.03a |
| SEC I | 38.8±4.2b | 1.97±0.19b | 0.17±0.02a | 30.3±2.4a | 3.2±0.1ab | 4.3±0.9ab | 4.77±0.02a |
| SEC II | 39.9±1.4b | 1.89±0.10b | 0.14±0.01a | 28.6±0.7a | 3.7±0.3a | 2.9±0.2b | 4.73±0.02a |
| PLF | 43.1±2.5b | 2.12±0.16b | 0.20±0.01a | 33.1±4.5a | 2.5±0.6ab | 4.3±0.2ab | 4.75±0.02a |
Abbreviations: AP = available phosphorus, NH4+-N = ammonium nitrogen, NO3−-N = nitrate nitrogen, SOC = soil organic carbon, STN = soil total nitrogen content, STP = soil total phosphorus content.
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