Characteristics | Yellow loam soil (F) | Huangshi soil (J) | Paddy field on desalting muddy polder (C) | Yellow paddy soil (H) |
---|---|---|---|---|
Location | Longquan, Fujian Province | Changzhou, Jiangsu Province | Cixi, Zhejiang Province | Jingzhou, Hubei Province |
pH (H2O) | 6.63 | 5.95 | 8.25 | 6.70 |
OM, % | 2.67 | 1.52 | 2.48 | 1.98 |
CEC, cmol kg−1 | 14.09 | 7.11 | 16.1 | 13.9 |
Clay, % | 38.7 | 33.5 | 24.3 | 33.0 |
Silt, % | 50.4 | 49.8 | 71.1 | 51.2 |
Sand, % | 10.9 | 16.7 | 4.6 | 15.8 |
Texture, % (mm) | ||||
< 0.01 | 67.4 | 60.7 | 64.7 | 67.4 |
0.01–0.09 | 28.3 | 32.6 | 34.5 | 28.3 |
> 0.09 | 4.3 | 6.7 | 0.8 | 4.3 |
Total N, % | 0.24 | 0.08 | 1.03 | 0.12 |
P, mg kg−1 | 21.25 | 7.65 | 15.37 | 10.25 |
K, g kg−1 | 13.47 | 10.7 | 22.9 | 5.22 |