Location: Inverloch | Australian Soil Classification: Humose-Bleached, Magnesic, Grey KUROSOL |
Northcote Factual Key: Dy 3.41 | Great Soil Group: soloth |
Geology: Tertiary fluviatile sediments. Quartz in profile may be related to "Haunted Hills gravels". | General Landscape Description: Midslope of a rise (5% slope). |
Soil Mapping Unit: Inverloch. | Site Description: Forest Reserve near Inverloch. |
Native Vegetation: Messmate (Eucalyptus obliqua), Narrow-leaved Peppermint (E. radiata) Gippsland Mallee (E. kitsoniana). |
Site SG2 Landscape |
A1 | 0-20 cm | Black (10YR2/1); sandy loam; firm surface condition; very weak coarse blocky structure; firm consistence dry; contains a few (5-10%) fine quartz gravels (2-4 mm size); pH 4.7; abrupt change to: | Site SG2 Profile |
A21 | 20-40 cm | Grey (10YR5/1) conspicuously bleached (10YR7/1d); light sandy loam; massive; firm consistence dry; contains a few (5-10%) fine quartz gravels (2-4 mm size); pH 4.7; clear change to: | |
A22 | 40-55 cm | Greyish brown (10YR5/2) conspicuously bleached; light sandy loam; massive; strong consistence dry; contains many (20%) quartz gravel (2-10 mm size); pH 4.6; sharp and wavy change to: | |
Subsoil | |||
B21 | 55-100 cm | Light brownish grey (10YR6/2) with brownish yellow (10YR6/8) mottles; medium heavy clay; strong very coarse blocky, parting to strong coarse blocky structure (with significant dark staining on ped faces); very strong consistence dry; pH 4.8; gradual change to: | |
B22 | 100+ cm | Similar to above horizon but with reduced dark staining on ped faces; pH 4.8. |
The soil profile is very strongly acid throughout. | The salinity rating is very low throughout the profile. | Significant levels of exchangeable aluminium are present in the subsoil (B) horizons. | The clay % increases sharply at the A/B horizon boundary. |
Horizon | Horizon Depth (cm) | pH water | pH CaCl2 | EC 1:5 | Exchangeable Cations | Ex. Al mg/kg | Ex. Acidity meq/100g | Wilting Point pF 4.2 | Coarse Sand (0.2 -2 mm) | Fine Sand (0.02-0.2 mm) | Silt (0.002-0.02 mm) | Clay (<0.002 mm) | |||
Ca | Mg | K | Na | ||||||||||||
meq/100g | |||||||||||||||
A1 | 0-20 | 4.7 | 3.6 | 0.06 | 2.8 | 2.3 | 0.3 | 0.2 | 110 | 23.6 | 14 | 22 | 35 | 20 | 11 |
A21 | 20-40 | 4.7 | 3.5 | <0.05 | 0.3 | 0.2 | 0.1 | 0.1 | 45 | 4.4 | 2 | 23 | 46 | 25 | 7 |
A22 | 40-55 | 4.6 | 3.7 | 0.05 | 0.3 | 0.3 | 0.1 | <0.1 | 110 | 4 | 3.2 | 26 | 39 | 34 | 2 |
B21 | 55-100 | 4.8 | 3.9 | 0.14 | 0.2 | 4.0 | 0.3 | 0.5 | 250 | 24.2 | 22.4 | 8 | 19 | 15 | 54 |
B22 | 100+ | 4.8 | 3.9 | 0.17 | 0.2 | 6.1 | 0.3 | 0.9 | 260 | 17.4 |
Management Considerations:
Whole Profile