Location: Marcus Hill, Bellarine Peninsula
Australian Soil Classification: Grey/Yellow Chromosol/Sodosol
General Landscape Description: Gently undulating plain.
Site Description: Mid slope.
Geology: Neogene Hanson Plain Sand: fluvial gravel, sand, silt.
CLRA3 Landscape. Gently undulating plain of Ocean Grove district.
Soil Profile Morphology:
Surface Soil
A11 | 0–5 cm | Dark brown (10YR3/3); fine sandy loam; moderate medium polyhedral structure; rough fabric; very weak consistence dry; pH 5.5; smooth abrupt boundary to: | CLRA3 Profile | |||
A12 | 5–20 cm | Dark greyish brown (10YR4/2); fine sandy loam; weak medium polyhedral structure; rough fabric; weak consistence dry; pH 6.0; wavy clear boundary to: | ||||
A2 | 20–30 cm | Light yellowish brown (10YR6/4); conspicuous bleach (10YR8/2); loamy sand; apedal massive structure; earthy fabric; very firm consistence dry; few ferric concretions; pH 6.5; wavy abrupt boundary to: | ||||
Subsoil | ||||||
B21 | 30–50 cm | Dark greyish brown (10YR4/2) with common medium brown and red (10YR5/4, 2.5YR5/6) distinct mottles; medium clay; weak coarse columnar, parting to strong medium prismatic structure; smooth fabric; very strong consistence dry; pH 7.0; wavy gradual boundary to: | ||||
B22 | 50–110 cm | Light yellowish brown (10YR6/4) with many large red and brown (2.5YR5/6, 10YR4/2) prominent mottles; silty medium clay; strong medium and fine prismatic structure; smooth fabric; few distinct slickenslide cutans and many prominent clay skin and other cutans; strong consistence dry; pH 8.5; wavy diffuse boundary to: | ||||
B23/B3 | 110–140+ cm | Light yellowish brown (10YR6/3) with many large pale and red (2.5YR5/6) prominent mottles; light medium clay; strong medium prismatic structure; smooth fabric; few prominent clay skin and other cutans; strong consistence dry; pH 8.5. |
Horizon | Sample Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||
meq/100g | ||||||||
A11 | 0–5 | 5.4 | 4.8 | 0.16 | 3.3 | 1.4 | 0.9 | 0.39 |
A12 | 5–20 | 5.4 | 4.9 | 0.12 | 2.4 | 0.95 | 0.46 | 0.34 |
A2 | 20–30 | 5.7 | 5 | 0.05 | 1.2 | 0.62 | 0.13 | 0.19 |
B21 | 30–50 | 6.4 | 5.6 | 0.14 | 6.4 | 8.3 | 1.2 | 1.2 |
B22 | 50–110 | 7.2 | 6.6 | 0.19 | 4.9 | 9.2 | 0.78 | 1.9 |
B23 | 110–140 | 7.7 | 6.9 | 0.22 | 3.2 | 8.6 | 0.58 | 2.7 |
Horizon | Sample Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity cmolc/kg | 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) |
A11 | 0–5 | <10 | 9.4 | 16.6 | 9.6 | 19 | 59.3 | 6.5 | 8 |
A12 | 5–20 | <10 | 8 | 17.2 | 5.1 | 15.2 | 63.3 | 7 | 9 |
A2 | 20–30 | <10 | 3.6 | 15.6 | 3.4 | 14.9 | 65.8 | 9 | 7 |
B21 | 30–50 | <10 | 9.9 | 43.9 | 29.2 | 2.9 | 11.8 | 4 | 78 |
B22 | 50–110 | 49.1 | 30.7 | 3.3 | 10.1 | 3 | 80.5 | ||
B23 | 110–140 | 43.7 | 26.7 |