Table 2 Pearson correlation coefficients (r) between soil physicochemical, microbial parameters, and enzyme activities among different land uses of a semiarid region of Delhi

S_C

1

0.996**

− 0.248

0.616

0.486

0.998**

0.991**

0.998**

− 0.710

− 0.990**

0.984*

0.963*

0.348

0.919

S_N

1

− 0.321

0.653

0.416

0.997**

0.997**

0.990**

− 0.681

− 0.983*

0.992**

0.981*

0.275

0.899

S_C/S_N

1

− 0.301

0.446

− 0.295

− 0.325

− 0.186

− 0.354

0.160

− 0.414

− 0.444

0.495

− 0.198

S_P

1

− 0.292

0.592

0.706

0.607

− 0.696

− 0.684

0.602

0.756

− 0.434

0.257

S_M

1

0.481

0.364

0.520

− 0.377

− 0.459

0.401

0.234

0.988**

0.720

S_MBC

1

0.989**

0.993**

− 0.665

− 0.979

0.992**

0.964*

0.346

0.931

S_BR

1

0.984*

− 0.706

− 0.986**

0.985*

0.989**

0.219

0.866

S_SIR

1

− 0.744

− 0.994**

0.971*

0.948*

0.384

0.918

S_MBC/S_C

1

0.801

− 0.585

− 0.642

− 0.256

− 0.494

qCO₂

1

− 0.954

− 0.953

− 0.316

− 0.867

β-glu

1

0.977*

0.266

0.914

Dha

1

0.086

0.811

Ure

1

0.622

APh

1