WW431
Location: Dimboola East
Australian Soil Classification: Calcic, Hypernatric, Red SODOSOL
General Landscape Description: Level plain.
Site Description: Gilgai microerlief.
Native Vegetation: Eucalyptus stand.
Geology: Quaternary.
Soil Profile Morphology:
Surface Soil
| A1 | 0-30 cm | Very dark greyish brown (10YR3/2); loamy sand; single grain structure; pH 8.8; sharp change to: | |
| Subsoil | |||
| B21 | 30-60 cm | Dusky red (2.5YR3/4); heavy clay, fine sandy; weak coarse blocky structure; pH 9.1; sharp change to: | |
| B22k | 60-90 cm | Light brown (7.5YR6/4); heavy clay; weak coarse blocky structure; many coarse soft carbonate segregations present; very highly calcareous; pH 9.4; sharp change to: | |
| B3k | 90-120 cm | Pale brown (10YR6/3); heavy clay; weak coarse blocky structure; very many coarse soft carbonate segregations present; very highly calcareous; pH 9.5. | |
Soil Profile Characteristics:
 | pH | Salinity Rating | |
Surface (A1 horizon) | Strongly Alkaline | Low | Sodic |
Subsoil (B21 horizon) | Very Strongly Alkaline | Medium | Strongly Sodic |
Deeper Subsoil (at 90-120 cm) | Very Strongly Alkaline | Medium | Extremely Sodic |
| The surface is strongly alkaline. The subsoil is very strongly alkaline. | | The salinity rating in the surface is low. The subsoil has a medium salinity rating. | | The surface is sodic. The upper subsoil is strongly sodic becoming extremely sodic at depth. | | | | |
Chemical and Physical Analysis:
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | NaCl % | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
Meq/100g | |||||||||
A1 | 0-30 | 8.8 | 8.3 | 0.17 | 0.028 | 8.6 | 1.4 | 0.25 | 0.85 |
B21 | 30-60 | 9.1 | 8.6 | 1.2 | 0.235 | 5.3 | 11 | 1.7 | 8.7 |
B22k | 60-90 | 9.4 | 8.5 | 1.2 | 0.217 | 4.7 | 8.1 | 1.1 | 7.4 |
B3k | 90-120 | 9.5 | 8.5 | 1.1 | 0.208 | 4.2 | 7 | 0.9 | 6.7 |
Profile Described By: N.S. Badawy (March 1970).
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