Location: Berriwillock. | Australian Soil Classification: Epihypersodic, Pedal, Hypercalcic, CALCAROSOL. |
Geology: Quaternary (Woorinen Formation) overlying Tertiary (Parilla Sandstone) (within 2 metres of the surface). | |
General Landscape Description: Level plain, with some low rises. | Site Description: Ploughed paddock, Birchip Cropping Group trial site. |
Native Vegetation: Mallee. |
Site ORZC11 Landscape |
Ap | 0-13 cm | Brown (7.5YR4/4); heavy fine sandy clay loam; weak coarse blocky structure; weak consistence (dry); highly calcareous; pH 8.6; abrupt change to: | Site ORZC11 Profile |
Subsoil | |||
B21 | 13-25 cm | Yellowish red (5YR5/6); light medium clay; moderate-strong coarse to medium to fine blocky structure; firm to strong consistence (dry); slightly-moderately calcareous; pH 9.2; gradual change to: | |
B22k | 25-50 cm | Yellowish red (5YR5/6); light medium clay; moderate coarse to very coarse prismatic, parting to moderate-strong coarse blocky structure; common (20%) fine earth carbonates; very highly calcareous; pH 9.6; gradual change to: | |
B23k | 50-75 cm | Strong brown (7.5YR5/8) with some yellowish red (5YR 5/6) root channel infills; light medium clay; weak moderate coarse to very coarse prismatic, parting to moderate coarse to medium blocky structure; fine earth carbonates common (20%); highly calcareous; pH 9.6; gradual change to: | |
B24 | 75-100 cm | Yellowish red (5YR5/6) with dark red (2.5YR4/8) mottles; medium clay; moderate coarse to medium prismatic structure; non-calcareous; manganese flecks in a continuous band between 80-100 cm depth; pH 9.4; gradual change to: | |
B3 | 100+ cm | Yellowish red (5YR5/6); light medium clay; structured; non-calcareous; pH 5.8. |
pH | Salinity Rating | |||
Surface soil (Ap horizon) | Strongly Alkaline | Low | Non-Sodic | None |
Upper subsoil 13-25 cm | Very Strongly Alkaline | Low | Strongly Sodic | Moderate |
Deeper subsoil (at 50-75 cm) | Extremely Alkaline | High | Strongly Sodic | Slight1 |
Deep subsoil (at 100+ cm) | Moderately Acid | High | Strongly Sodic | None1 |
|
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | NaCI % | Exchangeable Cations | Boron mg/kg | Field Capacity pF 2.5 | Wilting Point pF 4.2 | Coarse Sand (0.2 - 2 mm) | Fine Sand (0.02 -0.2 mm) | Silt (0.002 -0.02 mm) | Clay (<0.002 mm) | |||
Ca | Mg | K | Na | |||||||||||||
meq/100g | ||||||||||||||||
Ap | 0-13 | 8.6 | 8.1 | 0.25 | <0.01 | 15 | 7.3 | 1.7 | 1.1 | 3 | 29 | 14 | 26 | 26 | 20 | 21 |
B21 | 13-25 | 9.2 | 8.4 | 0.39 | 0.02 | 12 | 14 | 1.4 | 4.9 | 7.1 | 41 | 21 | 21 | 20 | 25 | 28 |
B22 | 25-50 | 9.6 | 8.8 | 0.68 | 0.07 | 5.2 | 14 | 1.2 | 6.8 | 19 | 40 | 21 | 19 | 19 | 12 | 34 |
B23k | 50-75 | 9.6 | 8.8 | 0.89 | 0.1 | 3.4 | 13 | 1.3 | 8.4 | 23 | 40 | 20 | 19 | 19 | 8 | 36 |
B24 | 75-100 | 9.4 | 8.6 | 1.2 | 0.16 | 3.1 | 14 | 1.4 | 11 | 27 | 41 | 17 | 20 | 23 | 7 | 43 |
B3 | 100+ | 5.8 | 5.3 | 1.1 | 0.16 | 1.8 | 7.3 | 0.8 | 8.5 | 5.1 |