Variable | Semivariogram model parameter | Anisotropy parameter | Leave-one-out cross validation | |||||||||
Range (m) | Model | Nugget | Psill | Ang1 (degree) | Ang2 (degree) | Ang3 (degree) | Ratio1 | Ratio2 | ME | RMSE | r | |
NH4N | 828 | ste | 0 | 5.065 | 90 | 90 | 0 | 0.51 | 0.49 | −0.015 | 1.843 | 0.62 |
NO3N | 836 | ste | 0 | 3.88 | 95 | 100 | 102 | 0.5 | 0.415 | −0.00005 | 1.552 | 0.62 |
TN | 1079 | ste | 0.437 | 0.806 | 84 | 82 | 0 | 0.469 | 0.509 | −0.019 | 0.867 | 0.64 |
TP | 811 | ste | 0 | 1.35 | - | - | - | - | - | 0.009 | 1.071 | 0.38 |