Location: Morton Plains. | Australian Soil Classification: Calcic, Mesonatric, Red SODOSOL. |
Northcote Factual Key: Dy 2.13. | Great Soil Group: red-brown earth. |
General Landscape Description: Upper slope of a rise on a gently undulating plain. |
Site WP3 Landscape |
A1 | 0-15 cm | Strong brown (7.5YR4/6); light sandy loam; hardsetting and massive; firm consistence dry; pH 6.6; sharp change to: | Site WP3 Profile |
Subsoil | |||
B21 | 15-30 cm | Yellowish red (5YR5/6); light medium clay (sandy); moderate prismatic structure (shiny faced peds); weak consistence; moderately moist; pH 8.5; gradual change to: | |
B22 | 30-70 cm | Yellowish red (5YR5/6); medium clay; strong prismatic structure; firm consistence moderately moist; pH 9.2; clear change to: | |
B3k | 70 -160 cm | Strong brown (7.5YR5/8); medium clay, sandy; prismatic structure; strong consistence dry; soft carbonate common (10-20%); pH 9.6. |
pH | Salinity | |||
Surface (A1 horizon) | slightly acid | very low | non-sodic | - |
Subsoil (B21 horizon) | moderately alkaline | very low | strongly sodic | strong |
Deeper subsoil (at 1 m) | extremely alkaline | high | very strongly sodic | slight1 |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC ds/m | Exchangeable Cations | NaCl % | Field Capacity pF 2.5 | Wilting Point pF 4.2 | |||
Ca | Mg | K | Na | ||||||||
meq/100g | |||||||||||
A1 | 0-15 | 6.6 | 5.8 | 0.3 | 2.1 | 0.7 | 0.3 | <0.1 | 2 | 5 | |
B21 | 15-30 | 8.5 | 7.2 | 0.1 | 5.7 | 5.4 | 0.7 | 2.3 | 28 | 12 | |
B22 | 30-70 | 9.2 | 8.5 | 0.84 | 5.2 | 8.2 | 1.2 | 5.3 | 0.14 | 33 | 15 |
B3k | 70-160 | 9.6 | 8.9 | 0.94 | 3.2 | 8.0 | 1.4 | 7.3 | 0.15 |