Table 2 Semivariogram analysis of soil samples (N = 200) collected from Mahagoan village of Bhainsa mandal, nirmal district.
Variable | Transformation | Model | Nugget | Partial sill | Sill | Nugget/sill (%) | Range (m) | Spatial dependence | RMSE |
|---|---|---|---|---|---|---|---|---|---|
pH | Log | Spherical | 0.0 | 0.0000732 | 0.0000732 | 0.0 | 39.32 | Strong | 0.044 |
EC (dS m−1) | None | Spherical | 0.0 | 0.0002906 | 0.0002906 | 0.0 | 42.01 | Strong | 0.010 |
OC (g kg−1) | None | Spherical | 0.0 | 0.000419 | 0.000419 | 0.0 | 39.70 | Strong | 0.014 |
Available N (kg N ha−1) | Log | Gaussian | 0.0 | 0.003468 | 0.003468 | 0.0 | 28.26 | Strong | 4.43 |
Available P2O5 (kg P2O5 ha−1) | Log | Gaussian | 0.000044 | 0.00223 | 0.002274 | 1.93 | 28.80 | Strong | 3.76 |
Available K2O (kg K2O ha−1) | Log | Gaussian | 0.0 | 0.00125 | 0.00125 | 0.0 | 30.48 | Strong | 6.96 |
Available S (mg kg−1) | Log | Spherical | 0.00364 | 0.0309 | 0.03454 | 10.5 | 51.22 | Strong | 1.64 |
Available Fe (mg kg−1) | None | Gaussian | 0.0094 | 9.4042 | 9.4136 | 0.09 | 29.63 | Strong | 1.64 |
Available Mn (mg kg−1) | Log | Gaussian | 0.0078 | 0.0299 | 0.0378 | 20.63 | 43.63 | Strong | 2.12 |
Available Zn (mg kg−1) | Log | Spherical | 0.0 | 0.03786 | 0.03786 | 0.0 | 60.13 | Strong | 0.74 |
Available Cu (mg kg−1) | Log | Gaussian | 0.00115 | 0.00529 | 0.00644 | 17.86 | 33.81 | Strong | 0.41 |
