Location: Cann River flats
Australian Soil Classification: Vertic (Mottled-Sodic), Eutrophic, Grey DERMOSOL
Map Unit: River flats (rf)
Previous Site Name: EG213
General Landscape Description: Alluvial plain
Site description: Level plain >1% slope
Land Use: Grazing
Native Vegetation: Riparian forest
Geology: Recent sediments
Soil Profile Morphology:
Surface soil | |||
A11 | 0 – 15 cm | Very dark greyish brown (10YR3/2); silty clay loam; moderate fine granular structure; weak consistence moist; pH 6.4; diffuse change to: | |
A12 | 15 – 35 cm | Dark greyish brown (10YR4/2); silty clay loam; weak medium polyhedral structure; firm consistence moist; pH 5.9; diffuse change to: | |
Subsoil | |||
B21 | 35 – 70 cm | Dark greyish brown (10YR4/2) with common distinct medium yellowish brown (10YR5/6) mottles; silty clay; moderate coarse polyhedral structure; very firm consistence moist; pH 6.4; change to: | |
B22 | 70 – 110 cm | Grey (10YR5/1) with common distinct medium yellowish brown (10YR5/6) mottles; light clay; moderate coarse lenticular structure; very firm consistence moist; pH 8.3. |
- | pH | Salinity | ||
Surface soil (A11 horizon) | Slightly acid | Low | Non sodic | None |
Subsoil (B21 horizon) | Slightly acid | Very low | Sodic | Strong |
Deeper subsoil (70 -110 cm) | Moderately alkaline | Very low | Strongly sodic | Strong |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | Organic Carbon % | Total Nitrogen % | Exch. Al ppm | Exch. 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 cap. % w/w | Wilt. point % w/w | |||
Ca | Mg | K | Na | |||||||||||||||
meq/100g | ||||||||||||||||||
A11 | 0-15 | 6.4 | 6.2 | 0.27 | 4.8 | 0.39 | <10 | 11.0 | 14.0 | 3.1 | 0.44 | 0.13 | 6 | 24 | 36 | 20 | 41.3 | 18.9 |
A12 | 15-35 | 5.9 | 5.1 | 0.09 | 1.7 | 0.07 | 26 | 12.0 | 3.5 | 3.9 | 0.062 | 0.59 | 6 | 23 | 36 | 28 | 33.3 | 15.1 |
B21 | 35-70 | 6.4 | 5.5 | 0.15 | 0.73 | <10 | 7.8 | 1.5 | 6.1 | 0.07 | 1.8 | 4 | 26 | 34 | 31 | 29.1 | 15.3 | |
B22 | 70-110 | 8.3 | 7.0 | 0.17 | 0.44 | 1.3 | 9.1 | 0.066 | 3.7 | 0 | 33 | 28 | 34 | 32.0 | 18.1 |