Table 3 Correlation between soil particle size and fractal dimension.

From: Effect of various concentrations of superabsorbent polymers on soil particle-size distribution and evaporation with sand mulching

soil properties

D

the volume fraction of clay (%)

the volume fraction of sily (%)

the volume fraction of sand (%)

SAP concentrations (%)

SWC (%)

D

1

     

the volume fraction of clay (%)

0.998**

1

    

the volume fraction of sily (%)

0.973**

0.973**

1

   

the volume fraction of sand (%)

−0.988**

−0.989**

−0.997**

1

  

SAP concentrations (%)

−0.95*

−0.949**

−0.865

0.899*

1

 

SWC (%)

−0.968**

−0.977**

−0.937**

−0.957*

0.911*

1