Location: Woomelang | |
Australian Soil Classification: Calcic, Mottled-Subnatric, Brown SODOSOL | |
General Landscape Description: Gently undulating plain within the Hopetoun Land System (Rowan and Downes, 1963). |
Site MP27 Landscape. |
A1 | 0-10 cm | Dark brown (7.5YR4/4); sandy clay loam; hardsetting and massive; firm to very firm consistence dry; pH 8.7; sharp change to: | Site MP27 Profile |
Subsoil | |||
B21 | 10-30 cm | Strong brown (7.5YR4/6) with yellowish red (5YR5/8) mottles; medium clay; moderate blocky structure; firm consistence slightly moist; pH 9.3; gradual change to: | |
B22k | 30-80 cm | Yellowish red (5YR5/8) with reddish yellow (7.5YR6/6) mottles; medium clay; moderate blocky structure; weak consistence, moderately moist; fine earth carbonates common (10%); pH 9.9; gradual change to: | |
B31 | 80-130 cm | Yellowish red (5YR5/8) with reddish yellow (7.5YR6/6) mottles; medium clay; moderate blocky structure; weak consistence, moderately moist; fine earth carbonates common (10%); pH 9.9; gradual change to: |
pH | Salinity Rating | |||
Surface (A1 horizon) | strongly alkaline | very low | sodic | none |
Subsoil (B21 horizon) | very strongly alkaline | low | sodic | none1 |
Deeper subsoil (at 1 m) | very strongly alkaline | high | very strongly sodic | none2 |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | NaCI % | Exchangeable Cations | 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 (<0.002mm) | |||
Ca | Mg | K | Na | ||||||||||||
meq/100g | |||||||||||||||
A1 | 0-10 | 8.7 | 7.9 | 0.12 | 10.4 | 2.3 | 1.4 | 0.2 | 7 | 23 | 34 | 34 | 2 | 23 | |
B21 | 10-30 | 9.3 | 9.2 | 0.24 | 10.5 | 9.4 | 1 | 2.6 | 11 | 38 | 24 | 17 | 3 | 43 | |
B22k | 30-80 | 9.9 | 9 | 0.86 | 0.07 | 2.3 | 9.3 | 1.2 | 10.8 | 46 | 40 | ||||
B31 | 80-130 | 9.5 | 8.7 | 1.44 | 0.23 | 3.2 | 8.8 | 1.3 | 10.5 | 44 | 37 |