Location: Dunkeld |
Soil Profile Morphology
:A1 | 0-10 cm | Fine sandy clay loam+; moderate to strong coarse to medium polyhedral structure; pH 6.5: | ESAS8b profile | |
Subsoil | ||||
B21 | 10-40 cm | Dark greyish brown (10YR4/2) with many (~50%) yellowish brown (10YR5/6) mottles; heavy clay; moderate to strong coarse to very coarse prismatic, parting to moderate coarse to very coarse subangular blocky structure; very few (~2%) ferruginous nodules; dispersed without remoulding; pH 7.9: | ||
B22 | 40-80 cm | Greyish brown (2.5Y5/2) with many (~40%) dark yellowish brown (10YR4/6) mottles; heavy clay; coarse prismatic structure; loose structure; pH 8.6: | ||
B23 | 80+ cm | Greyish brown (2.5Y5/2); heavy clay; strong fine to coarse lenticular structure; pH 8.6. |
pH | Salinity Rating | |||
Surface (A1 horizon) | Slightly Acid | |||
Subsoil (B21 horizon (30-45 cm) | Slightly Alkaline | |||
Deeper subsoil (at 80+ cm) | Moderately Alkaline |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Organic Carbon g/100g | NaCl % | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||||
meq/100g | ||||||||||
A1 | 0-10 | 6.5 | 6.1 | 0.24 | 2.8 | 9.6 | 7.3 | 2.2 | 1.1 | |
B21 | 10-40 | 7.9 | 7.2 | 0.26 | 0.02 | 8.4 | 15 | 2.7 | 3.6 | |
B22 | 40-80 | 8.6 | 7.7 | 0.29 | 0.02 | 6.8 | 13 | 1.1 | 5 | |
B23 | 80+ | 8.6 | 7.8 | 0.07 | 0.06 | 7.3 | 16 | 0.53 | 6.5 |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Field Capacity pF2.5 | Wilting Point pF4.2 | Gravel % | Coarse Sand (0.2-2.0mm) | Fine Sand (0.02-0.2mm) | Silt (0.002-0.02mm) | Clay (<0.002mm) |
A1 | 0-10 | 7.2 | 31.3 | 18.7 | 12 | 31 | 14 | 34 | ||
B21 | 10-40 | 51.4 | 29.1 | 6 | 14 | 11 | 65 | |||
B22 | 40-80 | 39 | 22.3 | 9 | 25 | 11 | 51 | |||
B23 | 80+ | 43.4 | 25.5 |