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Table 7 Pearson’s correlation matrix of selected physical and chemical soil properties

From: Monitoring soil quality of different land use systems: a case study in Suha watershed, northwestern highlands of Ethiopia

 

Sand

Clay

Silt

FC

PWP

AWC

pH

OC

TN

C:N

Av.P

Na

K

Ca

Mg

CEC

PBS

Sand

1

− 0.755**

0.455**

− 0.262

− 0.261

− 0.223

− 0.006

0.029

− 0.075

0.087

0.118

− 0.182

0.214

− 0.328*

− 0.364*

− 0.224

− 0.373*

Clay

 

1

− 0.705**

0.441*

0.932**

0.470**

0.210

− 0.096

− 0.066

0.076

− 0.053

0.173

− 0.147

0.492**

0.542**

0.548**

0.360*

Silt

  

1

− 0.577**

− 0.513**

− 0.614**

− 0.314

0.455**

0.459**

0.022

− 0.330*

0.191

0.293

− 0.249

− 0.487**

− 0.453**

− 0.093

FC

   

1

0.975**

0.899**

0.524**

− 0.023

− 0.003

0.035

0.308

0.046

0.056

0.650**

0.764**

0.656**

0.557**

PWP

    

1

0.778**

0.527**

− 0.005

− 0.039

− 0.045

0.292

0.003

0.024

0.650**

0.748**

0.611**

0.509**

AWHC

     

1

0.441*

− 0.056

− 0.085

0.185

0.294

0.122

0.111

0.685**

0.764**

0.646**

0.566**

pH

      

1

0.116

0.060

− 0.028

0.338*

− 0.512**

0.491**

0.486**

0.490**

0.456**

0.425*

OC

       

1

0.908**

0.487**

− 0.503**

0.154

0.645**

0.459**

0.060

0.311

0.399*

TN

        

1

0.125

− 0.519**

0.232

0.625**

0.419*

0.069

0.208

0.451**

C:N

         

1

− 0.232

0.128

0.143

0.337*

0.169

0.417*

0.126

Av.P

          

1

− 0.294

− 0.186

− 0.057

0.076

0.073

− 0.183

Ex. Na

           

1

− 0.227

0.082

− 0.011

0.149

0.011

Ex. K

            

1

0.333*

0.114

0.132

0.463**

Ex. Ca

             

1

0.797**

0.834**

0.831**

Ex. Mg

              

1

0.695**

0.753**

CEC

               

1

0.425*

PBS

                

1

  1. **Significant at p < 0.01; *significant at p < 0.05