Group: Chiltern Landcare Group | Australian Soil Classification: Eutrophic, Mottled-Subnatric, Grey SODOSOL |
Northcote Factual Key: Dy 3.43 | Great Soil Group: solodic soil |
General Landscape Description: Old alluvial plain. The original vegetation includes Blakely's Red Gum (Eucalyptus blakelyi), Yellow Box (E. melliodora) and Grey Box (E. microcarpa) |
NE2 landscape |
A1 | 0-10 cm | Dark yellowish brown (10YR4/4); fine sandy loam; hard setting and massive surface condition; earthy fabric; firm consistence dry; pH 4.6; sharp and smooth change to: | NE2 profile |
A2 | 10-25 cm | Very pale brown (10YR7/3d) conspicuously bleached; light fine sandy loam; rusty root channel mottling; massive; earthy fabric; firm consistence dry; contains a few (5%) rounded quartz fragments; pH 5.7; sharp and wavy change to: | |
Subsoil | |||
B21 | 25-80 cm | Greyish brown (10YR5/2) with red (2.5YR4/6) mottles; heavy clay; strong very coarse prismatic structure; very strong consistence moist; pH 6.6; clear change to: | |
B31 | 80-100 cm | Brown (10YR4/3); heavy clay; moderate coarse blocky structure; very strong consistence moist; pH 8.3; clear and wavy change to: | |
B32 | 100-130 cm | Pale brown (10YR6/3) with yellowish red (5YR5/6) mottles; light clay; strong coarse sub-angular blocky structure; very strong consistence moist; contains manganiferous stains and semi-hard nodules; pH 8.6; clear change to: | |
2A | 130+ cm | Yellowish brown (10YR5/4) with pockets of greyish brown (10YR5/2) clayey coarse sand; structureless; strong consistence moist; pH 9.0. |
Horizon | pH | Salinity Rating | ||
Surface (A1 horizon) | very strongly acid | low | non-sodic | none |
Subsoil (B21 horizon) | slightly acid | very low | sodic | strong1 |
Deeper subsoil (at 1 m) | moderately alkaline | very low | sodic | complete |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||
meq/100g | ||||||||
A1 | 0-10 | 4.6 (4.7) | 3.9 | 0.17 | 1.6 | 0.7 | 0.5 | 0.1 |
A2 | 10-25 | 5.7 (5.3) | 4.1 | <0.05 | 0.9 | 0.9 | 0.2 | 0.1 |
B21 | 25-80 | 6.5 (5.9) | 4.7 | 0.09 | 5.1 | 7.4 | 0.4 | 1.4 |
B31 | 80-100 | 8.3 | 0.07 | |||||
B32 | 100-130 | 8.6 | 0.09 | |||||
2A | 130+ | 9 | 0.06 |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Field Capacity pF 2.5 | Wilting Point pF 4.2 | 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 | 113 | 20.7 | 9.1 | 11 | 51 | 19 | 15 |
A2 | 10-25 | 14.2 | 5.4 | 26 | 46 | 18 | 10 | |
B21 | 25-80 | 38.5 | 28.4 | 6 | 22 | 12 | 60 | |
B31 | 80-100 | |||||||
B32 | 100-130 | |||||||
2A | 130+ |