Research Article

Using Soil Apparent Electrical Conductivity to Optimize Sampling of Soil Penetration Resistance and to Improve the Estimations of Spatial Patterns of Soil Compaction

Table 4

Fitted models and parameters of the cross-variograms between PR and .

VariableGeostatistical AnalysisModel (m)

× Universal cokrigingSpherical0.000.0095130.00
× Universal cokrigingSpherical0.000.0065130.00
× Universal cokrigingSpherical0.000.0100130.00
× Universal cokrigingSpherical0.000.0075130.00

: Pure nugget effect; : structural variance; : range.