Table 9 Pearson’s correlation matrix among soil properties.

From: Assessing the influence of changes in land use-land cover on soil properties of degraded sodic lands in Indo-Gangetic plains

Parameters

Sand

Silt

Clay

BD

Porosity

WHC

IR

Av N

Av P

Av K

Ca + Mg

K

Na

Cl

CO3

HCO3

pH

EC

ESP

OC

Sand

1

                   

Silt

− 0.721

1

                  

Clay

− 0.787*

0.139

1

                 

BD

0.532

− 0.699

− 0.137

1

                

Porosity

− 0.717

0.930**

0.196

− 0.718

1

               

WHC

− 0.296

0.683

− 0.185

− 0.753

0.721

1

              

IR

− 0.362

0.687

− 0.094

− 0.846*

0.786*

0.965**

1

             

Av N

− 0.34

0.659

− 0.101

− 0.878**

0.704

0.970**

0.978**

1

            

Av P

− 0.477

0.894**

− 0.114

− 0.548

0.901**

0.812*

0.772*

0.711

1

           

Av K

− 0.575

0.855*

0.061

− 0.805*

0.886**

0.937**

0.928**

0.917**

0.896**

1

          

Ca + Mg

− 0.678

0.936**

0.135

− 0.746

0.931**

0.833*

0.821*

0.802*

0.929**

0.969**

1

         

K

0.027

0.628

− 0.597

− 0.231

0.49

0.51

0.396

0.388

0.751

0.518

0.588

1

        

Na

0.174

− 0.714

0.387

0.783*

− 0.711

− 0.913**

− 0.898**

− 0.907**

− 0.802*

− 0.869*

− 0.806*

− 0.707

1

       

Cl

0.466

− 0.787*

0.034

0.381

− 0.885**

− 0.668

− 0.674

− 0.547

− 0.933**

− 0.764*

− 0.801*

− 0.596

0.615

1

      

CO3

0.368

− 0.645

0.048

0.53

− 0.686

− 0.913**

− 0.845*

− 0.822*

− 0.807*

− 0.858*

− 0.769*

− 0.407

0.702

0.748

1

     

HCO3

− 0.172

− 0.461

0.655

0.471

− 0.464

− 0.749

− 0.685

− 0.69

− 0.682

− 0.653

− 0.595

− 0.804*

0.899**

0.504

0.522

1

    

pH

− 0.323

− 0.413

0.828*

0.14

− 0.325

− 0.491

− 0.391

− 0.367

− 0.62

− 0.38

− 0.381

− 0.925**

0.682

0.514

0.389

0.828*

1

   

EC

− 0.289

− 0.425

0.791*

0.424

− 0.405

− 0.701

− 0.648

− 0.64

− 0.63

− 0.549

− 0.475

− 0.808*

0.863*

0.489

0.509

0.939**

0.918**

1

  

ESP

− 0.248

− 0.463

0.766*

0.396

− 0.391

− 0.722

− 0.623

− 0.64

− 0.664

− 0.58

− 0.521

− 0.863*

0.863*

0.481

0.553

0.945**

0.929**

0.980**

1

 

OC

− 0.524

0.828*

0.012

− 0.934**

0.826*

0.912**

0.934**

0.954**

0.785*

0.954**

0.906**

0.478

− 0.910**

− 0.605

− 0.746

− 0.655

− 0.365

− 0.586

− 0.598

1

  1. B.D bulk density, WHC water holding capacity, IR infiltration rate, EC electrical conductivity, OC soil organic carbon, ESP exchangeable sodium percentage, Av. N available nitrogen, Av. P available phosphorus, Av. K available potassium.
  2. *Correlation is significant at the 0.05 level (2-tailed).
  3. **Correlation is significant at the 0.01 level (2-tailed).