Location: Jarramond
Australian Soil Classification: Eutrophic, Mesonatric, Brown SODOSOL Brown sodic texture contrast soil (thick loamy)
Map Unit: River terrace (Component 5)
Previous Site Name: EG18
General Landscape Description: Undulating rises
Site description: Road reserve, Upper slope, NNE aspect 8% slope
Land Use: Grazing
Geology: Pleistocene alluvial sediments (Qp5)
Soil Profile Morphology:
Surface soil | Profile similar to that described | ||
A1 | 0 – 35 cm | Very dark grey (10YR3/1); fine sandy loam; moderate medium polyhedral structure; very weak consistence moist; clear change to: | |
A2 | 35 – 50 cm | Greyish brown (10YR5/2) conspicuously bleached (10YR7/2d); loamy fine sand; apedal; firm consistence dry; sharp change to: | |
Subsoil | |||
B21 | 50 – 100 cm | Brown (10YR5/3) mottled with black (10YR2/1); heavy clay; moderate coarse prismatic structure; strong consistence moderately moist. |
- | pH | Salinity | ||
Surface soil (A1 horizon) | Strongly acid | Very low | Non sodic | None |
Subsoil (A2 horizon) | Slightly acid | Very low | Non sodic | Strong1 |
Deeper subsoil (50-100 cm) | Moderately acid | Low | Sodic | Strong1 |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | Organic Carbon % | Total Nitrogen % | Exchangeable Aluminum ppm | Exchangeable Acididty meq/100g | Exchangeable Cations | Coarse Sand (0.2-2.0 mm) % | Fine Sand (0.02-0.2 mm) % | Silt (0.002-0.02 mm) % | Clay (<0.002 mm) % | Field Capacity % w/w | Wilting Point % w/w | |||
Ca | Mg | K | Na | |||||||||||||||
meq/100g | ||||||||||||||||||
A1 | 0-35 | 5.3 | 4.5 | 0.08 | 2.4 | 0.18 | 26 | 12 | 2.4 | 1.6 | 0.35 | 0.23 | 5 | 58 | 19 | 13 | 25.4 | 8.0 |
A2 | 35-50 | 6.1 | 5.0 | 0.05 | <10 | 3.7 | 0.76 | 0.91 | 0.17 | 0.32 | 5 | 66 | 20 | 9 | ||||
B2 | 50-100 | 5.9 | 4.9 | 0.23 | 18 | 11.0 | 1.1 | 6.9 | 0.92 | 2.5 | 2 | 37 | 13 | 47 |