Estimate

Std. Error

t value

Pr(>|t|)

(Intercept)

3.48230

0.21581

16.136

<2e−16

soil

0.04488

0.01837

2.443

0.015

locBui

2.56965

0.21230

12.104

<2e−16

locChache

2.89817

0.21092

13.741

<2e−16

locLawra

3.13176

0.23467

13.345

<2e−16