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