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Correlation between soil particle size and fractal dimension.
| 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 |
