Location: Gritjurk.
Land Mapping Unit: Dundas Tillite
Australian Soil Classification: Vertic, Mottled-Mesonatric, Grey SODOSOL (confidence level 1).
Site GL157 Landscape. | View towards Bryan Creek from Site GL157. |
A1 | 0-20 cm | Dark brown (7.5YR3/2); heavy clay loam; fine red (2.5YR4/6) oxidised root channel mottling common; strong very fine sub-angular blocky structure; weak consistence (moist); pH 5.8; clear change to: | Site GL157 Profile. |
Subsoil | |||
B21 | 20-35 cm | Very dark grey (7.5YR3/1); medium heavy clay; many faint fine brown mottles (7.5YR4/4); moderate fine blocky structure; very firm consistence (dry); very plastic when wet; pH 6.2; gradual change to: | |
B22 | 35-55 cm | Very dark greyish brown (10YR3/2); medium heavy clay to heavy clay; many fine distinct brown mottles (7.5YR4/4); moderate fine blocky structure; very firm consistence (dry); very plastic when wet; black veins evident due to cracking; pH 6.8; gradual change to: | |
B23 | 55-75 cm | Very dark grey (2.5Y3/1); medium heavy clay; fine distinct light olive brown mottles common (2.5Y5/4); moderate to strong structure; very plastic when wet; black veins evident due to cracking; pH 7.8; gradual change to: | |
B24 | 75-90 cm | Dark grey (2.5Y4/1); heavy clay; a few faint fine yellow mottles; moderate to strong structure; black veins evident due to cracking; pH 8.5; gradual change to: | |
B25 | 90-145 cm | Light olive brown (2.5Y5/3); heavy clay to medium heavy clay; moderate coarse prismatic structure; consistence strong when dry to very firm when wet; very few fine calcareous flecks; black veins evident due to cracking; gradual transition to: | |
C | 145-155 cm | Brown (7.5YR4/4); heavy clay; black veins evident due to cracking. |
pH | Salinity Rating | |||
Surface (A1 horizon) | Moderately Acid | Low | Non-Sodic | None1 |
Subsoil (40-55 cm) | Slightly Acid | Low | Sodic | Strong to Complete |
Deeper Subsoil (55-80 cm) | Moderately Alkaline | Medium | Strongly Sodic | Strong to Complete |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||||
meq/100g | ||||||||||
A1 | 0-20 | 5.8 | 4.6 | 0.10 | 62 | 17 | 3.7 | 5.4 | 0.36 | 1.5 |
B21 | 20-35 | 6.2 | 5.0 | 0.12 | 15 | 15 | 6.2 | 11 | 0.69 | 2.8 |
B22 | 35-55 | 6.8 | 5.6 | 0.17 | 11 | 7.1 | 13 | 0.81 | 3.7 | |
B23 | 55-75 | 7.8 | 6.9 | 0.38 | 7.3 | 15 | 1.1 | 5.7 | ||
B24 | 75-90 | 8.5 | 7.8 | 0.83 | 7.9 | 18 | 1.0 | 8.0 | ||
B25 | 90-145 | 8.6 | 5.5 | 0.79 | 6.3 | 14 | 0.6 | 7.1 |
Horizon | Horizon Depth (cm) | 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 | 0-20 | 39 | 19 | 10 | 16 | 27 | 41 |
B21 | 20-35 | 43 | 24 | 5 | 5 | 5 | 61 |
B22 | 35-55 | 47 | 24 | 10 | 9 | 9 | 62 |
B23 | 55-75 | 47 | 25 | 20 | 19 | 20 | 64 |
B24 | 75-90 | 48 | 24 | 61 | 62 | 64 | |
B25 | 90-145 |