Location: Reedy Dam | Australian Soil Classification: Vertic (& Epihypersodic), Pedal, Calcic CALCAROSOL |
Geology: Quaternary (Woorinen Formation). | General Landscape Description: Gently undulating plain. |
Site Description: Ploughed cropping paddock. | Native Vegetation: Mallee. |
Site ORZC6 Landscape |
Ap | 0-12 cm | Dark brown (7.5YR3/2); light clay; weak coarse blocky structure; weak consistence (moist); very slightly calcareous; soft surface condition with surface flake; pH 7.6; abrupt change to: | Site ORZC6 Profile |
Subsoil | |||
B21 | 12-30 cm | Reddish yellow (5YR6/6); medium heavy clay; moderate very coarse to coarse prismatic, parting to strong coarse to medium blocky structure; strong consistence (dry); highly calcareous; pH 9.0; clear change to: | |
B22 | 30-50 cm | Reddish yellow (5YR6/6); medium heavy clay; moderate very coarse to coarse prismatic, parting to moderate coarse blocky structure; strong consistence (dry); few (5%) fine earth carbonates; pH 9.3; clear change to: | |
B23k | 50-70 cm | Reddish yellow (7.5YR6/6); light medium clay; weak to moderate coarse blocky structure; strong consistence (dry); fine earth carbonates common (10-15%); pH 9.6; gradual change to: | |
B24 | 70-100 cm | Light red (2.5YR7/6) with few yellowish red (5YR5/8) mottles; light medium clay; weak to moderate very coarse prismatic, parting to moderate coarse blocky structure; very firm consistence (dry); pH 9.7; gradual change to: | |
B25 | 100-130 cm | Pinkish brown (7.5YR7/4) with yellowish red (5YR5/6) mottles common; medium clay; firm consistence (dry); pH 9.7. |
pH | Salinity Rating | |||
Surface (Ap horizon) | Slightly Alkaline | Low | Non-Sodic | None1 |
Upper subsoil (12-30 cm) | Strongly Alkaline | Low | Non-Sodic | None |
Deeper subsoil (at 50-70 cm) | Very Strongly Alkaline | Low | Strongly Sodic | Strong |
Deeper subsoil (at 100-130 cm) | Extremely Alkaline | Medium | Strongly Sodic | None2 |
|
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | NaCl % | Boron mg/kg | Exchangeable Cations | 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 | 0-12 | 7.6 | 7.1 | 0.24 | 2.5 | 15 | 5.9 | 1.7 | 0.99 | 23 | 12 | 37 | 24 | 10 | 27 | |
B21 | 12-30 | 9.0 | 8.3 | 0.42 | <0.01 | 6.3 | 13 | 5.7 | 1.6 | 0.8 | 38 | 20 | 30 | 14 | 4 | 46 |
B22 | 30-50 | 9.3 | 8.5 | 0.55 | 0.02 | 16 | 8.3 | 15 | 1.0 | 5.9 | 43 | 23 | 24 | 14 | 7 | 48 |
B23k | 50-70 | 9.6 | 8.7 | 0.64 | 0.04 | 24 | 4.5 | 15 | 1.1 | 7.6 | 42 | 22 | 23 | 15 | 4 | 44 |
B24 | 70-100 | 9.7 | 8.8 | 0.84 | 0.07 | 24 | 3.3 | 14 | 1.3 | 9.6 | 42 | 20 | 25 | 16 | 4 | 41 |
B25 | 100-130 | 9.7 | 8.7 | 0.89 | 0.08 | 21 | 3.3 | 12 | 1.2 | 9.1 |