Soil Profile Morphology:
NE48-50 Landscape
Surface Soil
A1 | 0-10 cm | Very dark greyish brown (10YR3/2); loam; weak to moderate medium to coarse blocky, parting to moderate fine to very fine polyhedral structure; weak consistence (dry); pH 5.5: | NE50 Profile |
A21 | 10-30 cm | Light yellowish brown (10YR6/4) and very pale brown (10YR7/3 dry); clay sand; apedal; firm consistence (dry); moderate dispersion after remoulding; pH 5.1: | |
A22 | 30-80 cm | Brownish yellow (10YR6/6) and white (10YR8/1 dry); silty sandy loam; apedal; very firm to strong consistence (dry); very abundant (40%) quartz pebbles (2-4 mm); roots to approximately 40 cm; pH 5.2: | |
Subsoil | |||
B21 | 80-110 cm | Yellowish brown (10YR5/6) with light yellowish brown (10YR6/4) mottles; light moderate clay; apedal; strong consistence (dry); pH 5; slakes into macro aggregates; pH 5.3: | |
B22 | 110-130 cm | Dark brown (7.5YR3/4) with light yellowish brown (10YR6/4) mottles; sandy clay loam; apedal; strong consistence (dry); pH 5.4. |
Key Profile Features:
Horizon | pH | Salinity Rating | ||
Surface (A1 horizon) | Strongly Acid | |||
Subsoil (B2 horizon) | Strongly Acid | |||
Deeper subsoil (at100-120+ cm cm) | Strongly Acid |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Organic Carbon G/100g | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
meq/100g | |||||||||
A1 | 0-10 | 5.5 | 4.5 | <0.05 | 2.7 | 1.5 | 0.82 | 0.71 | 0.14 |
A21 | 10-30 | 5.1 | 4.2 | <0.05 | 0.24 | 0.43 | 0.14 | <0.05 | |
A22 | 30-80 | 5.2 | 4.1 | <0.05 | 0.18 | 0.84 | 0.12 | 0.09 | |
B21 | 80-110 | 5.3 | 3.9 | <0.05 | <0.05 | 1.3 | 0.12 | 0.25 | |
B22 | 110-130 | 5.4 | 3.9 | <0.05 |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Field Capacity pF 2.5 | Wilting Point pF 4.2 | 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 | 15 | 10 | 17.7 | 5.4 | 41 | 38 | 6 | 9 |
A21 | 10-30 | 74 | 4.3 | 17.6 | 3.1 | 39 | 42 | 4 | 13 |
A22 | 30-80 | 130 | 3.9 | 21.1 | 5.7 | 36 | 36 | 8 | 16 |
B21 | 80-110 | 270 | 6.9 | 22.9 | 7.7 | 30 | 34 | 12 | 20 |
B22 | 110-130 | 4.8 | 30 | 41 | 10 | 16 |