Table 7 The OK (ordinary Kriging) applying results for this area.

From: Evaluating land capability using site assessment and land evaluation model in GIS in a watershed scale

Features

Spatial method

R 2

RMSE

ME

pH

OK

0.63**

0.46

0.01

EC

OK

0.43*

0.74

0.04

CCE

OK

0.79***

4.38

−0.320

OC

OK

0.64**

0.42

0.014

Clay

OK

0.82***

5.98

0.810

Silt

OK

0.62**

6.65

−0.095

Sand

OK

0.44*

9.39

0.231

Soil depth

OK

0.52*

61.56

−3.596

Gravel (%)

OK

0.57*

6.03

−2.245

  1. *, **, and *** Shows significant level at 5, 1, 0.1%, respectively.