Table 3 Factor analysis for the control and burnt sites for the measured soil parameters

C_mic

0.991

0.995

− 0.316

0.103

N_mic

0.962

0.963

− 0.832

0.995

SBR

0.715

0.940

0.501

0.464

0.466

DHA

0.958

0.954

0.923

0.855

ACP

− 0.946

0.941

0.666

− 0.501

0.695

pH

− 0.791

0.948

− 0.959

0.921

Moisture

0.804

0.898

0.255

0.066

OC

0.524

0.672

0.866

0.783

CEC

0.844

0.965

-0.539

0.502

0.543

AN

0.978

0.978

0.908

0.829

AP

0.734

0.642

0.590

0.310

0.444

AK

0.615

0.558

0.806

0.656

Cu

− 0.978

0.993

− 0.364

− 0.368

0.268