Location: Kernot | Aust. Soil Class.: Acidic, Eutrophic, Grey DERMOSOL |
General Landscape Description: Crest of rolling hill on a dissected peneplain. | |
Geology: Cretaceous sediments. |
GP55 Landscape |
A11 | 0-15 cm | Very dark greyish brown (10YR3/2); very fine sandy clay loam; massive structure; firm consistence dry; pH 5.1; clear change to | GP55 Profile |
A12 | 15-35 cm | Dark brown (10YR3/3) with few (8%) brownish yellow (10YR6/8) mottles; very fine sandy clay loam; weak to moderate coarse polyhedral structure; very firm consistence dry; pH 5.1; gradual change to | |
Subsoil | |||
B1 | 35-50 cm | Dark greyish brown (10YR4/2) with dark yellowish brown (10YR4/6) mottles; conspicuously bleached in patches fine sandy clay loam; moderate coarse prismatic, parting to moderate coarse blocky structure; very firm consistence dry; pH 5.2; clear and wavy change to | |
B21 | 50-70 cm | Dark greyish brown (10YR4/2) with common (15%) brownish yellow (10YR6/8) mottles; light medium clay; strong coarse prismatic, parting to moderate blocky structure; pH 5.4; gradual and wavy change to | |
B22 | 70-100 cm | Greyish brown (10YR5/2) with many (25%) brownish yellow (10YR6/8) mottles; light medium clay; strong coarse prismatic, parting to moderate blocky structure; very firm consistence dry; pH 5.4 | |
C | 100+ cm | Cretaceous mudstone |
Key Profile Features:
pH | Salinity Rating | |||
Surface (A1 horizon) | Strongly Acid | Very Low | Non-Sodic | - |
Subsoil (B21 horizon) | Strongly Acid | Very Low | Sodic | None1 |
Deeper Subsoil (at 1 m) | Strongly Acid | Very Low | Sodic | None2 |
|
Horizon | Horizon Depth | pH (water) | pH CaCl2 | EC 1:5 | NaCl | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
Meq/100g | |||||||||
A11 | 0-15 | 5.1 | 4.2 | 0.08 | 3.9 | 2.7 | 0.56 | 0.55 | |
A12 | 15-35 | 5.1 | 4 | 0.07 | 2.3 | 2.5 | 0.32 | 0.59 | |
B1 | 35-50 | 5.2 | 4 | 0.07 | 1.3 | 4 | 0.31 | 0.94 | |
B21 | 50-70 | 5.4 | 4 | 0.07 | 1.3 | 6.2 | 0.47 | 1.6 | |
B22 | 70-100 | 5.4 | 4.1 | 0.11 | 2.6 | 13 | 0.63 | 3.6 |
Horizon | Horizon Depth | Ex Al mg/kg | Ex Ac meq/100g | Wilting Point pF4.2 g/100g | Coarse Sand (0.2-2.0mm) % | Fine Sand (0.02-0.2mm) % | Silt (0.002-0.02mm) % | Clay (<0.002mm) % |
A11 | 0-15 | 150 | 19 | 12.5 | 4 | 24 | 45 | 21 |
A12 | 15-35 | 320 | 18 | 11.2 | 1 | 24 | 46 | 25 |
B1 | 35-50 | 270 | 15 | 14.2 | 1 | 22 | 43 | 31 |
B21 | 50-70 | 280 | 17 | 17 | 1 | 20 | 40 | 37 |
B22 | 70-100 | 280 | 16 | 24.4 | 1 | 16 | 36 | 44 |