Location: East of Lake Weering
Aust. Soil Class.: Melanic, Hypercalcic, Black VERTOSOL (or DERMOSOL) (Clayey)
General Landscape Description: Lunette
Element: Crest
Slope: 3%
Aspect: West
Geology: Quaternary aeoliandeposits: sand, clay, calcareous sand
SFS 21 |
Surface Soil | SFS 21 | ||
A11 | 0-10 cm | Black (10YR 2/1); heavy clay loam to light clay; fine crumb structure (self mulching); pH 6.3; clear change to: | |
A12 | 10-30 cm | Black (10YR 2/1); light clay; rough peds, fine to medium (5-20 mm) polyhedral structure, strong consistence; pH 6.3; clear change to: | |
Subsoil | |||
B21 | 30-60 cm | Very dark grey (7.5YR 3/1 moist), dark brown (10YR 3/3 dry); light medium clay; moderate coarse polyhedral parting to strong fine polyhedral structure; pH 6.3; clear change to: | |
B22k | 60-130+ cm | Light brownish grey (2.5Y 6/2); light medium clay; apedal but very common fine pores and some larger root channels infilled with A and B horizon material; very calcareous; pH 8.5. |
pH | Salinity Rating | |||
Surface (A1 horizon) | Slightly Acid | Low | Non-Sodic | None |
Subsoil (B21 horizon) | Slightly Alkaline | Low | Non-Sodic | None1 |
Deeper subsoil (at 75-85 cm) | Moderately Alkaline | Low | Non-Sodic | None |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | NaCl | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
meq/100g | |||||||||
A1 | 0-10 | 6.3 | 5.9 | 0.30 | 0.04 | 11.0 | 5.5 | 2.3 | 0.3 |
A12 | 15-25 | 6.3 | 5.7 | 0.09 | 12.0 | 8.0 | 2.6 | 0.27 | |
B21 | 40-50 | 7.3 | 6.8 | 0.19 | 18.0 | 16.0 | 2.6 | 0.41 | |
B22k | 75-85 | 8.5 | 8.0 | 0.26 | 59.0 | 37.0 | 4.0 | 2.0 |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Field Capacity pF2.5 | Wilting Point pF4.2 | 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 | 36.3 | 20.9 | 12.3 | 18.5 | 15.5 | 45 | ||
A12 | 15-25 | <10 | 8.7 | 33.2 | 20.6 | 15.8 | 17.1 | 12.5 | 47.5 |
B21 | 40-50 | 48.6 | 31.4 | 5.2 | 7.7 | 7 | 72 | ||
B22k | 75-85 | 25.2 | 14.0 | 3.2 | 6.5 | 9.0 | 42.5 |