VIT7
| Location: Between 19 year old vines |
Soil Profile Morphology:
Surface Soil
| A11 | 0-10 cm | Brown (7.5YR 4/4); fine sandy clay loam; moderate coarse blocky, parting to moderate medium blocky, parting to weak to moderate fine blocky; weak to firm consistence (moist); very few quartz fragments (2-20 mm), plus very few RT (??) rounded tubular fragments (6-20 mm); compated to 1-2 cm; pH 6.4; clear change to: |
| A12 | 10-20 cm | Brown (7.5YR 5/4); fine sandy clay loam; moderate coarse blocky, parting to moderate medium blocky (??); weak to firm consistence (moist); few quartz fragements (2-5 mm), plus RT (6-20 mm) (??); pH 6.2; abrupt change to: |
| Subsoil | ||
| B21 | 20-35 cm | Yellowish red (5YR 5/8); light clay (fine sandy); sub plastic light medium clay; moderate coarse blocky, parting to moderate fine blocky; weak to firm consistence (moist); soft manganese stains; some mixing of A2 (worms), sporadic pebbles; pH 5.5; gradual change to: |
| B22 | 35-45 cm | Yellowish red (5YR 5/6); fine sandy clay loam; moderate coarse blocky, parting to moderate fine blocky; some mixing as for 20-35 due to "lifting" operation; pH 4.9; abrupt change to: |
| B23 | 45-90 cm | Yellowish red (5YR 5/6); very many RT (??) (60-200 mm); abrupt change to: |
 | 90+ cm | Light sand; pebbles at 90-110 cm, 20% light sand at 110+ cm. |
Key Profile Features:
Soil Profile Characteristics:
Horizon | pH | Salinity Rating | ||
Surface (A11 horizon) | Slightly Acid | | | |
Subsoil (B21 horizon) | Strongly Acid | | | |
Deeper subsoil (at 35-45 cm) | Very Strongly Acid | | | |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||
meq/100g | ||||||||
A11 | 0-10 | 6.4 | 5.9 | 0.10 | 8.4 | 1.9 | 1.3 | <0.05 |
A12 | 10-20 | 6.2 | 5.4 | 0.06 | 3.9 | 1.1 | 1 | <0.05 |
B21 | 20-35 | 5.5 | 4.8 | <0.05 | 2.6 | 1.2 | 0.74 | <0.05 |
B22 | 35-45 | 5.9 | 4.2 | <0.05 | 1.1 | 0.44 | 0.48 | <0.05 |
B23 | 45-90 | | | | | | | |
| 90+ | | | | | | | |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity mg/kg | 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) |
A11 | 0-10 | <10 | | 28.2 | 11.8 | 8.6 | 34.7 | 28 | 21 |
A12 | 10-20 | <10 | | 21.9 | 10.7 | 11.6 | 34.9 | 25.5 | 22.5 |
B21 | 20-35 | 50 | | 25.5 | 12.6 | 3.2 | 33.8 | 28.5 | 32 |
B22 | 35-45 | 180 | | 24 | 11.6 | 8.2 | 32.5 | 26.5 | 29.5 |
B23 | 45-90 | | | | | | | | |
| 90+ | | | | | | | | |
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