Revised 10 June 2002
| Cloudiness (using CSIRO dipstick) | EC (mS/cm) | pH | Diagnosis | Likely most important problem |
| 0 | <0.4 for sands/loams <0.7 for clays |
<5.5 | non-sodic, non-saline, acidic | Acid |
| 0 | <0.4 for sands/loams <0.7 for clays |
5.5-8.5 | non-sodic, non-saline | No problems |
| 0 | <0.4 for sands/loams <0.7 for clays |
>8.5 | Unlikely to occur, high pH soils usually sodic | |
| 0 | 0.4 or more for sands/loams 0.7 or more for clays |
<5.5 | non-sodic, saline, acidic. Unusual | Acid |
| 0 | 0.4 or more for sands/loams 0.7 or more for clays |
5.5-8.5 | saline. | Saline |
| 0 | 0.4 or more for sands/loams 0.7 or more for clays |
>8.5 | saline, alkaline | Saline |
| 1 | <0.4 for sands/loams <0.7 for clays |
<5.5 | sodic, non-saline, acidic | Acid |
| 1 | <0.4 for sands/loams <0.7 for clays |
5.5-8.5 | sodic, non-saline | Sodic |
| 1 | <0.4 for sands/loams <0.7 for clays |
>8.5 | Unlikely - high pH soils usually very sodic | |
| 1 | 0.4 or more for sands/loams 0.7 or more for clays |
<5.5 | sodic, saline, acidic | Acid |
| 1 | 0.4 or more for sands/loams 0.7 or more for clays |
5.5-8.5 | sodic, saline | Saline & sodic |
| 1 | 0.4 or more for sands/loams 0.7 or more for clays |
>8.5 | sodic, saline, alkaline | Saline and sodic |
| 2 | <0.4 for sands/loams <0.7 for clays |
<5.5 | Unlikely, low pH often prevents sodicity | |
| 2 | <0.4 for sands/loams <0.7 for clays |
5.5-8.5 | Highly sodic, non-saline | Highly sodic |
| 2 | <0.4 for sands/loams <0.7 for clays |
>8.5 | Highly sodic, non-saline, alkaline | Highly sodic |
| 2 | 0.4 or more for sands/loams 0.7 or more for clays |
<5.5 | Unlikely, salinity should prevent cloudiness | |
| 2 | 0.4 or more for sands/loams 0.7 or more for clays |
5.5-8.5 | Unlikely, salinity should prevent cloudiness | |
| 2 | 0.4 or more for sands/loams 0.7 or more for clays |
>8.5 | Unlikely, salinity should prevent cloudiness | |