Soil layer (cm) | Vegetation age | SOC (g・kg−1) | Total N (g・kg−1) | Total P (g・kg−1) | Bulk density (g・cm−3) | Total porosity (%) | pH |
0 - 20 | 20a | 2.09 | 0.26 | 0.49 | 1.23 | 53.58 | 8.49 |
25a | 3.14 | 0.37 | 0.51 | 1.20 | 54.72 | 8.73 | |
40a | 3.57 | 0.41 | 0.52 | 1.12 | 57.74 | 8.50 | |
50a | 4.66 | 0.44 | 0.52 | 1.09 | 58.87 | 8.41 | |
Cropland | 1.60 | 0.19 | 0.49 | 1.27 | 49.68 | 8.36 | |
20 - 40 | 20a | 1.30 | 0.18 | 0.49 | 1.31 | 50.57 | 8.51 |
25a | 1.93 | 0.23 | 0.50 | 1.35 | 49.06 | 8.77 | |
40a | 2.02 | 0.24 | 0.50 | 1.30 | 50.94 | 8.53 | |
50a | 3.25 | 0.31 | 0.52 | 1.24 | 53.21 | 8.47 | |
Cropland | 1.18 | 0.12 | 0.45 | 1.39 | 47.57 | 8.41 |