Soil | DW (%) | SOM (%) | pH | Ammonium | Nitrate | Dehydrogenase | Ammonification activity | DMSO reduction | ||
---|---|---|---|---|---|---|---|---|---|---|
S1 | x̅ | 93.8 (a) | 0.99 (a) | 7.1 (d) | 2.30 (a) | 4.97 (a) | 0.90 (a) | 0.75 (a) | 0.47 (a) | |
(6 years) | SD | ±0.02 | ±0.054 | ±0.04 | ±0.070 | ±0.107 | ±0.247 | ±0.307 | ±0.020 | |
S 1A | x̅ | 90.1 (ab) | 1.71 (ab) | 7.0 (c) | 2.46 (a) | 18.80 (b) | 2.34 (b) | 4.57 (ab) | 2.31 (a) | |
(35 years) | SD | ±0.13 | ±0.089 | ±0.04 | ±0.108 | ±2.120 | ±0.374 | ±0.662 | ±0.230 | |
S2 | x̅ | 84.2 (ab) | 4.98 (ab) | 6.9 (b) | 3.98 (b) | 29.00 (c) | 8.90 (d) | 7.83 (ab) | 6.50 (a) | |
(80 years) | SD | ±0.05 | ±0.170 | ±0.02 | ±0.258 | ±1.393 | ±0.231 | ±3.177 | ±0.424 | |
S2A | x̅ | 81.3 (ab) | 5.83 (ab) | 6.8 (b) | 4.06 (b) | 38.80 (d) | 6.10 (c) | 5.15 (ab) | 5.81 (a) | |
(150 years) | SD | ±0.25 | ±0.019 | ±0.02 | ±0.266 | ±2.658 | ±0.449 | ±1.624 | ±0.448 | |
S3 | x̅ | 75.0 (b) | 11.09 (b) | 5.5 (a) | 9.72 (c) | 22.47 (b) | 8.00 (d) | 12.00 (b) | 8.22 (a) | |
(>5000 years) | SD | ±0.42 | ±0.311 | ±0.04 | ±0.134 | ±1.497 | ±0.309 | ±0.968 | ±2.780 |