Location: Bass Hill | Aust. Soil Class.: Basic, Lithic, Bleached-Orthic TENOSOL |
General Landscape Description: Midslope of hill (18% slope) (north-north easterly aspect) | |
Geology: Cretaceous sediments. |
GP52 Landscape |
A1 | 0-20 cm | Very dark greyish brown (10YR3/2); fine sandy clay loam; hardsetting surface condition; weak blocky, parting to moderate coarse blocky structure; very firm consistence dry; pH 5.9; clear change to: | GP52 Profile |
A2 | 20-40 cm | Yellowish brown (10YR5/4) bleached (10YR7/3d); fine sandy loam; massive to weak coarse blocky structure; firm consistence dry; pH 5.5; gradual change to: | |
Subsoil | |||
B21 | 40-65 cm | Light yellowish brown (10YR6/4) with fine yellowish brown (10YR5/8) mottles; sandy loam; weakly structured; firm consistence dry; pH 5.8; smooth and wavy change to: | |
C | 65+ cm | Sandstone. |
Key Profile Features:
pH | Salinity Rating | |||
Surface (A1 horizon) | Moderately Acid | Very Low | Non-Sodic | - |
Subsoil (B21 horizon) | Moderately Acid | Very Low | Non-Sodic | - |
|
Horizon | Horizon Depth | pH (water) | pH CaCl2 | EC 1:5 | NaCl | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
Meq/100g | |||||||||
A1 | 0-20 | 5.9 | 5.1 | 0.05 | 6.5 | 1.1 | 0.23 | 0.16 | |
A2 | 20-40 | 5.5 | 4.7 | <0.05 | 2.1 | 0.48 | 0.07 | 0.11 | |
B21 | 40-65 | 5.8 | 4.9 | <0.05 | 3.5 | 1.1 | 0.1 | 0.12 |
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) % |
A1 | 0-20 | <10 | 10 | 9.3 | 9 | 42 | 27 | 16 |
A2 | 20-40 | 40 | 7.7 | 6.8 | 8 | 46 | 29 | 16 |
B21 | 40-65 | 23 | 5.1 | 6.7 | 10 | 54 | 25 | 13 |