Location: Kia Ora.
Land Mapping Unit: Ararat Alluvial
Australian Soil Classification: Eutrophic, Mottled-Subnatric, Grey SODOSOL (confidence level 1).
Site GL169 Landscape. |
A1 | 0-15 cm | Dark greyish brown (10YR4/2); clay loam; strong fine polyhedral structure; weak consistence (dry); a few small rounded pebbles (2-6 mm); pH 5.3; clear change to: | Site GL169 Profile |
Subsoil | |||
B21 | 15-40 cm | Dark grey (10YR4/1); heavy clay; distinct fine brownish yellow (10YR6/6); mottles common; strong coarse prismatic, parting to moderate fine polyhedral structure; very firm consistence (dry); pH 7.3; clear and wavy change to: | |
B22 | 40-60 cm | Greyish brown (2.5Y5/2); heavy clay; fine faint yellow mottles (10YR7/6) are common; pH 8.4; gradual and wavy change to: | |
B23 | 60-90 cm | Light olive brown (2.5Y5/4); heavy clay; distinct medium yellowish brown (10YR5/6) mottles common; moderate angular blocky structure; very firm consistence (dry); pH 9.1; gradual and wavy change to: | |
B24 | 90+ cm | Light yellowish brown (2.5Y3/6); heavy clay; pH 9.5. |
pH | Salinity Rating | |||
Surface (A1 horizon) | Strongly Acid | Low | Non-Sodic | None1 |
Subsoil (15-40 cm) | Slightly Alkaline | Low | Sodic | Strong to Complete |
Deeper Subsoil (at 90+ cm) | Very Strongly Alkaline | Low | Strongly Sodic | Strong - Complete |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Exchangeable Cations | |||
Ca | Mg | K | Na | |||||||
Meq/100g | ||||||||||
A1 | 0-15 | 5.3 | 4.3 | 0.08 | 69 | 14 | 3.6 | 3.1 | 0.55 | 0.59 |
B21 | 15-40 | 7.3 | 6.2 | 0.19 | 9.4 | 8.3 | 14 | 1.7 | 3.7 | |
B22 | 40-60 | 8.4 | 7.3 | 0.18 | 8.4 | 17 | 1.7 | |||
B23 | 60-90 | 9.1 | 8.4 | 0.52 | 6.6 | 16 | 1.8 | 8.5 | ||
B24 | 90+ | 9.5 | 9.1 | 0.20 | 7.2 | 19 | 1.3 | 13 |
Horizon | Horizon Depth (cm) | Field Capacity pF2.5 | Wilting Point pF4.2 | 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 | 0-15 | 31 | 12 | 7 | 38 | 22 | 28 |
B21 | 15-40 | 50 | 27 | 2 | 15 | 11 | 70 |
B22 | 40-60 | 51 | 28 | 2 | 12 | 8 | 75 |
B23 | 60-90 | 49 | 27 | 3 | 15 | 10 | 71 |
B24 | 90+ | 3 | 15 | 10 | 71 |