WW52
Location: Kalkee
Australian Soil Classification: Epicalcareous-Endohypersodic, Self-Mulching Red VERTOSOL
General Landscape Description: Crest of a slight rise.
Site Description: Fallow
Geology: Neogene (Tertiary).
Native Vegetation: Savannah Woodland
Soil Profile Morphology:
Surface Soil
| A1 | 0-10 cm | Dark greyish brown (10YR4/2); medium clay; weak sub-angular blocky structure; weak consistence moist; pH 8.3; sharp change to: | |
| Subsoil | |||
| B21 | 10-30 cm | Reddish brown (5YR4/4); medium clay; strong sub-angular blocky structure; pH 8.6; gradual change to: | |
| B22 | 30-45 cm | Brown (7.5YR4/4); light clay; weak consistence moist; pH 9.0; sharp change to: | |
| B31 | 45-70 cm | Reddish yellow (7.5YR6/6); light clay; few coarse soft carbonate segregations; highly calcareous; pH 9.2; gradual change to: | |
| B32 | 70-120 cm | Light yellowish brown (10YR6/4); light clay; weak consistence moist; contains few coarse soft carbonate segregations; highly calcareous; pH 8.4. | |
Soil Profile Characteristics:
 | pH | Salinity Rating | |
Surface (A1 horizon) | Moderately Alkaline | Low | Non-Sodic |
Subsoil (B21 horizon) | Strongly Alkaline | Low-Medium | Sodic |
Deeper Subsoil (at 70-120 cm) | Moderately Alkaline | Very High | Strongly Sodic |
| The surface horizon is moderately alkaline. The upper subsoil is strongly alkaline becoming moderately alkaline at 60 cm depth. | | The salinity rating in the surface is low. The upper subsoil is low to medium becoming very high with depth. | | The surface soil is non-sodic. The upper subsoil is sodic becoming strongly 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 | 0-10 | 8.3 | 7.8 | 0.28 | 0.013 | 19 | 5.9 | 2.6 | 1.6 |
B21 | 10-30 | 8.6 | 8.0 | 0.40 | 0.025 | 18 | 15 | 3.0 | 4.4 |
B22 | 30-45 | 9.0 | 8.4 | 0.45 | 0.026 | 13 | 18 | 2.8 | 5.8 |
B31 | 45-70 | 9.2 | 8.6 | 0.68 | 0.037 | 10 | 15 | 2.3 | 7.3 |
B32 | 70-120 | 8.4 | 8.3 | 3.4 | 0.088 | 12 | 16 | 2.2 | 12 |
Profile Described By: John Martin (August 1971).
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