ORZC9
| Location: Birchip |  |
| Australian Soil Classification: Endohypersodic, Pedal, Calcic CALAROSOL | |
| General Landscape Description: Gently undulating plain with some gilgai microrelief | Site Description: Ploughed cropping paddock |
| Geology: Quaternary (Woorinen Formation) | Vegetation: Mallee |
Soil Profile Morphology:
Surface Soil
| Ap | 0-20 cm | Dark reddish brown (5YR3/4); light clay; weak coarse blocky structure; soft surface condition; very firm consistence (dry); moderately calcareous; pH 8.4; clear change to: |  ORZC9 Profile |
| |||
| B21 | 20-35 cm | Dark reddish brown (5YR3/3); light clay; weak coarse prismatic structure; firm consistence (dry); highly calcareous; pH 8.5; sharp change to: | |
| B22 | 35-50 cm | Dark brown (7.5YR3/2); light medium clay; weak coarse to medium blocky structure; many macropores present; few (5%) fine earth carbonates; very highly calcareous; pH 8.6; clear change to: | |
| B23k | 50-70 cm | Brown (7.5YR5/2) with yellowish red (5YR5/6) mottles; light clay; weak-moderate very coarse prismatic, parting to moderate coarse blocky structure; few (5%) fine earth carbonates; strong consisence (dry); pH 9.2; clear and wavy change to: | |
| B24 | 70-110 cm | Light brown (7.5YR6/4) with reddish yellow (7.5YR6/6) and grey (10YR6/1) mottles; [very dark grey (10YR3/2) with yellowish red (5YR5/8) in some patches associated with microrelief; light medium clay; weak moderate very coarse prismatic structure; few (2-5%) fine earth carbonates; pH 9.5; gradual change to: | |
| B25 | 110-150 cm | Yellowish red (5YR5/6) with light brownish grey (10YR6/2) mottles; medium clay; weak-moderate coarse prismatic structure; some soft manganese and few (5%) fine earth carbonates with some hard calcareous nodules; pH 9.7. | |
Key Profile Features:
- Gradual increase in texture (i.e. clay content) with depth down the profile.
- Calcareous throughout profile.
| pH | Salinity Rating | ||
Surface (A1 horizon) | Moderately Alkaline | Low | Non-Sodic | None |
Upper Subsoil (20-35 cm) | Moderately Alkaline | Low | Non-Sodic | None |
Deeper subsoil (at 70-110 cm) | Very Strongly Alkaline | Low | Strongly Sodic | Strong |
Deeper Subsoil (at 110-150 cm) | Extremely Alkaline | Low-Medium | Strongly Sodic | Strong |
|
Horizon | Horizon Depth | pH (water) | pH CaCl2 | EC 1:5 | NaCl | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
Meq/100g | |||||||||
Ap | 0-20 | 8.4 | 7.9 | 0.32 | <0.01 | 19 | 5.5 | 2.4 | 0.3 |
B21 | 20-35 | 8.5 | 7.9 | 0.17 | | 32 | 6.9 | 1.2 | 0.32 |
B22 | 35-50 | 8.6 | 8 | 0.17 | | 32 | 7.9 | 0.89 | 0.63 |
B23k | 50-70 | 9.2 | 8.3 | 0.24 | | 27 | 12 | 1.1 | 4 |
B24 | 70-100 | 9.5 | 8.5 | 0.32 | <0.01 | 8.1 | 11 | 1 | 4.8 |
B25 | 100-150 | 9.7 | 9.3 | 0.59 | 0.02 | 5.5 | 14 | 1.3 | 9.4 |
Horizon | Horizon Depth | Boron mg/kg | Field pF2.5 g/100g | Wilting Point pF4.2 g/100g | Coarse Sand (0.2-2.0mm) % | Fine Sand (0.02-0.2mm) % | Silt (0.002-0.02mm) % | Clay (<0.002mm) % |
Ap | 0-20 | 2.1 | 32.1 | 16.1 | 31 | 14.7 | 23.5 | 22 |
B21 | 20-35 | 1.8 | 32.2 | 17.4 | 28.8 | 17.2 | 18.5 | 29 |
B22 | 35-50 | 1.7 | 31.3 | 16.8 | 29.6 | 17.7 | 18.5 | 24.5 |
B23k | 50-70 | 2.7 | 32.2 | 17.7 | 35 | 11.9 | 18.5 | 25 |
B24 | 70-100 | 4.8 | 34.2 | 16.3 | 41.6 | 11.7 | 11 | 29.5 |
B25 | 100-150 | 12 | | | | | | |
© State of Victoria (Agriculture Victoria) 1996 - .
This work, Victorian Resources Online, is licensed under a Creative Commons Attribution 4.0 licence. You are free to re-use the work under that licence, on the condition that you credit the State of Victoria (Agriculture Victoria) as author, indicate if changes were made and comply with the other licence terms.
The licence does not apply to ‘branding’ or some ‘images or photographs’ that may be owned by third parties. We ask you to seek prior approval to use images using the VRO feedback form. Access to higher quality images can also be provided on request.
This page was last updated on .