Variable

CCA1

CCA2

R2

p value

P (mg∙kg−1)

0.0658

0.752

0.477

0.074

OM (%)

0.847

0.530

0.115

0.626

pH

0.744

0.667

0.383

0.142

K (cmol∙kg−1)

−0.999

0.032

0.510

0.037*

EC (dS∙m−1)

−0.049

0.998

0.561

0.023*

BD (g∙mL−1)

0.106

0.994

0.266

0.295

Silt (%)

0.812

0.582

0.674

0.015*