Term

Estimate

Std Error

Prob > |t|

Significance

Intercept

15.54749

8.746228

0.1058

NS

Time

0.225313

0.119116

0.0878

NS

Clay

3.011732

0.400543

<0.0001

S

pH

4.288662

1.089557

0.0028

S

(Time)*(Clay)

0.009235

0.034897

0.7967

NS

(Time)*(pH)

0.223185

0.094903

0.0405

S

(Clay*(pH)

−0.73745

0.31918

0.0435

S

(Time)*(Time)

−0.00323

0.007729

0.6846

NS

(Clay)*(Clay)

−0.17957

0.087369

0.0669

NS

(pH)*(pH)

0.431354

0.646797

0.5199

NS