Location: Batesford
Australian Soil Classification: Ferric, Mottled-Hypernatric, Grey SODOSOL
General Landscape Description: Escarpment south side of Moorabool River.
Site Description: Upper slope
Geology: Moorabool Viaduct
![]() SW94 Landscape |
Soil Profile Morphology:
Surface Soil
A1 | 0-10 cm | Very dark brown (7.5YR2.5/3 moist) brown (7.5YR5/3 dry); loamy fine sand; pH 5.3: | ![]() SW94 Profile - Note: Surface (A1) horizon has been stripped from soil profile. |
A2c | 10-30/50 cm | Light grey to pale brown conspicuously bleached; loamy fine sand; coarse ferruginous gravel present lower in horizon; pH 5.6; sharp and wavy change to: | |
Subsoil | ![]() | ![]() | |
B21t | 30/50-60/80 cm | Dark greyish brown (10YR4/2 moist) with fine red mottling; ped interiors sometimes sandy and yellowish brown (10YR5/8 moist); coarse prismatic, parting to medium polyhedral structure; pH 7.4 | |
B22tg | 60/80+ cm | Pale brown (10YR6/3 moist) with yellowish brown (10YR5/8 moist) and dark red (2.5YR4/8) mottles becoming greyer at depth; sandy clay; pH 9.3. |
Erosion of exposed pipeline trench during heavy rainfall.
Key Profile Features:
![]() | pH | Salinity Rating | ||
Surface (A1 horizon) | Strongly Acid | Very Low | Non-Sodic | - |
Subsoil (B21 horizon) | Slightly Alkaline | Low | Strongly Sodic | Complete |
Deeper Subsoil (at 100 cm) | Very Strongly Alkaline | Low | Strongly Sodic | Complete |
The surface is strongly acid. The subsoil is slightly alkaline becoming very strongly alkaline at depth. | ![]() | Salinity rating is very low in the surface and low in the subsoil. | ![]() | The soil is non sodic in the surface and strongly sodic in the subsoil. | ![]() | The clay content increases markedly at the A/B boundary. |
Horizon | Sample Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | NaCl % | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
meq/100g | |||||||||
A1 | 0-10 | 5.3 | 4.6 | 0.07 | ![]() | 1.8 | 0.47 | 0.17 | 0.16 |
A2 | 10-40 | 5.6 | 4.8 | <0.05 | ![]() | 1.2 | 0.43 | 0.1 | 0.17 |
B21t | 40-60 | 7.5 | 6.2 | 0.16 | ![]() | 3.8 | 11 | 1.1 | 5.2 |
B22gt | 100-120 | 9.3 | 8.3 | 0.34 | 0.02 | 3 | 8.4 | 1 | 5.5 |
Horizon | Sample Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Organic Carbon % | Nitrogen % | Field Capacity pF2.5 | Wilting Point pF4.2 | Coarse Sand (0.2- 2.0 mm) | Fine Sand (0.02- 0.2 mm) | Silt (0.002- 0.02 mm) | Clay (<0.002 mm) |
A1 | 0-10 | 17 | 5.9 | 0.97 | 0.08 | 12.8 | 3.7 | 20 | 62 | 7 | 10 |
A2 | 10-40 | <10 | 3.6 | ![]() | ![]() | 10.9 | 2.8 | 21 | 62 | 7 | 9 |
B21t | 40-60 | ![]() | ![]() | ![]() | ![]() | 45.6 | 26.1 | 5 | 22 | 3 | 67 |
B22gt | 100-120 | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
Management Considerations:
Surface (A) Horizons