Group: Tallangatta Valley Landcare Group | Australian Soil Classification: |
General Landscape Description: Acidic, Eutrophic, Black DERMOSOL | Northcote Factual Key: Um 6.31 |
Great Soil Group: prairie soil | |
General Landscape Description: Alluvial flats in upper reaches of Tallangatta Creek. | |
Site Description: |
NE32 landscape |
A11 | 0-10 cm | Very dark brown (10YR2/2); loam (fine sandy); moderate medium polyhedral, parting to strong fine polyhedral structure; weak consistence dry; pH 5.0;clear change to: | NE32 profile |
A12 | 10-40 cm | Very dark brown (10YR2/2); loam (fine sandy); moderate medium polyhedral, parting to strong fine blocky structure; firm consistence moderately moist; contains a layer of river pebbles at 35-40 cm depth; pH 6.1; clear change to: | |
Subsoil | |||
B21 | 40-60 cm | Dark brown (10YR3/3); light clay (fine sandy); weak medium blocky structure; firm consistence moderately moist; pH 5.1; clear change to: | |
B22 | 60-90 cm | Very dark greyish brown (10YR3/2) with patches of brown (10YR5/3) and dark brown (7.5YR3/4); light sandy clay loam; moderate medium blocky structure; firm consistence moderately moist; contains a layer of river pebbles at 60-65 cm depth; pH 6.2: | |
2A | 90-110 cm | Brown (7.5YR4/4); sandy loam; weak coarse blocky structure; weak consistence moderately moist; contains a layer of river pebbles at 100-105 cm depth. |
Horizon | pH | Salinity Rating | ||
Surface (A1 horizon) | strongly acid | very low | non sodic | none |
Subsoil (B21 horizon) | strongly acid | very low | non sodic | none |
Deeper subsoil (at 60-90 cm) | slightly acid | very low | non sodic | none |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||
meq/100g | ||||||||
A1 | 0-10 | 5 | 4.2 | <0.05 | 8.6 | 1.8 | 0.20.1 | |
B21 | 10-40 | 6.1 | 5 | <0.05 | 4.7 | 2 | 0.2<0.1 | |
B22 | 40-60 | 5.1 | 4.3 | <0.05 | ||||
B23 | 60-90 | 6.2 | 5 | <0.05 |
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 | <10 | 29.7 | 10.1 | 14 | 37 | 24 | 21 |
B21 | 10-40 | <10 | 26.9 | 8.1 | 20 | 39 | 23 | 18 |
B22 | 40-60 | 230 | 27.1 | 12.5 | 11 | 29 | 20 | 40 |
B23 | 60-90 | 17 | 39 | 23 | 18 |