Group: Bridgewater Farm Advance | Australian Soil Classification: Ferric, Subnatric, Brown SODOSOL |
Northcote Factual Key: Dy 3.43 | Great Soil Group: solodic soil |
General Landscape Description: Lower slope of a low basalt rise. Original vegetation included Grey Box (Eucalyptus microcarpa) and Buloke (Casuarina luehmanni). |
LP37 Landscape |
A11 | 0-10 cm | Dark reddish brown (5YR3/4); very fine sandy clay loam; weak coarse blocky structure; strong consistence dry; pH 5.8; clear change to: | LP37 Profile |
A12 | 10-25 cm | Dark red (2.5YR3/6) (becoming lighter in colour with depth); fine sandy clay loam; massive; strong consistence dry; contains very few (<2%) ferruginous nodules; pH 6.8; clear boundary change to: | |
A2 | 25-40 cm | Yellowish red (5YR5/6) conspicuously bleached (5YR7/4d); fine sandy clay loam; massive; strong consistence dry; contains many (40%) ferruginous nodules; pH 7.3; abrupt change to: | |
Subsoil | |||
B2 | 40-50 cm | Strong brown (7.5YR5/6); medium heavy clay; strong medium polyhedral structure; strong consistence dry; contains very few (<2%) ferruginous nodules; pH 7.4; abrupt boundary change to: | |
B3 | 50-80 cm | Brown (10YR5/3) with brownish yellow and yellowish red mottles; medium heavy clay; very strong coarse prismatic structure; strong consistence dry; contains very few (<2%) manganiferous flecks and dark staining between peds; pH 8.2; clear change to: | |
B4 | 80+ cm | Yellowish red (5YR5/6); light clay; strong coarse blocky; strong consistence dry; contains a few (2-10%) carbonate nodules and dark manganiferous flecks throughout; pH 8.9. |
pH | Salinity Rating | |||
Surface (A1 horizon) | moderately acid | very low | non-sodic | water-stable no dispersion1 |
Subsoil (B21 horizon) | slightly alkaline | very low | sodic | slight2 |
Deeper subsoil (at 1 m) | strongly alkaline | very low | sodic | __ |
1 Moderate dispersion after remoulding. 2 Complete dispersion with remoulding |
Management Considerations:
Surface (A) Horizons