From: Soil nutrient assessment based on attribute recognition model in the Loess Plateau of China
Land use | SOM (%) | Ntotal(%) | Ptotal(%) | Nhydro(mg/kg) | Pavail(mg/kg) | Kavail(mg/kg) |
---|---|---|---|---|---|---|
Farmland | 6.87bc(0.30) | 0.44bc(0.22) | 0.57a(0.05) | 26.5cd(0.25) | 2.06a(0.43) | 60.2ab(0.37) |
Artificial grassland | 6.17c(0.32) | 0.35c(0.22) | 0.52b(0.03) | 25.0d(0.12) | 0.87b(0.64) | 38.4b(0.15) |
Natural grassland | 8.11b(0.24) | 0.46b(0.32) | 0.52b(0.12) | 34.8b(0.23) | 0.88b(0.13) | 70.0a (0.27) |
Woodland | 10.25a(0.19) | 0.61a(0.15) | 0.57a(0.06) | 44.4a(0.19) | 1.01b(0.37) | 85.3a(0.47) |
Shrubland | 7.08bc(0.27) | 0.46b(0.27) | 0.53ab(0.08) | 32.6bc(0.27) | 0.72b(0.34) | 68.0a(0.39) |
Sig. of ANOVA | 0.001 | 0.000 | 0.031 | 0.000 | 0.000 | 0.020 |