MP43
| Location: Berriwillock. | Australian Soil Classification: Epihypersodic, Pedal, Hypercalcic, CALCAROSOL (loamy surface). |
| Geology: Quaternary alluvial & aeolian deposits. | General Landscape Description: Gently undulating plain with subdued rises. |
| Site Description: Cropping paddock on slight rise. |  |
 Site MP43 Landscape |
Surface Soil
| Ap | 0-10 cm | Yellowish red (5YR4/6); light sandy clay loam; soft surface condition; very weak to weak consistence (dry); clear change to; moderately calcareous; pH 8.4; clear change to: |  Site MP43 Profile |
| Subsoil | | | |
B1 | 10-15 cm | Yellowish red (5YR4/6); sandy clay loam; firm consistence (dry); pH 9.1; clear change to: | |
B21k | 15-25 cm | Reddish brown (5YR4/4) with reddish yellow (5YR6/8) mottles; light medium clay; moderate-strong very coarse prismatic, parting to weak-moderate coarse blocky structure; firm to very firm consistence (dry); fine-earth carbonates common (15%); pH 9.6; gradual change to: | |
B22k | 25-60 cm | Yellowish red (5YR5/6); light medium clay; strong-medium fine polyhedral structure; very firm consistence (dry); many (40%) fine-earth carbonates; gradual change to; pH 10.1; gradual change to: | |
B23k | 60-100 cm | Yellowish red (5YR5/8); light medium clay; strong consistence (dry); very many (60%) fine-earth carbonates; gradual change to; pH 10.1; gradual change to: | |
B24 | 100-130 cm | Yellowish red (5YR5/6); few (5%) manganese flecks; pH 9.7. | |
| | |
Key Profile Features:
- Gradual increase in texture (clay percentage) with depth down the soil profile.
- Many fine-earth carbonates in subsoil.
| pH | Salinity Rating | ||
Surface (Ap horizon) | Moderately Alkaline | Low-Medium | Non-Sodic | None |
Subsoil (B21 15-25 cm horizon) | Very Strongly Alkaline | Low | Sodic | None1 |
Deeper subsoil (at 100-130 cm) | Extremely Alkaline | High | Strongly Sodic | - |
 |  |  | |
 |  | | |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC 1:5 | NaCI % | Exchangeable Cations | Boron (CaCl2) mg/kg | Field Capacity pF2.5 | Wilting Point pF4.2 | 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 | 0-10 | 8.4 | 8.1 | 0.55 | <0.01 | 13 | 5.2 | 1.8 | 0.4 | 3.1 | 22 | 10 | 32 | 30 | 17 | 13 |
B1 | 10-15 | 9.1 | 8.4 | 0.24 | | 24 | 7.2 | 1.5 | 1.6 | 4.6 | 25 | 12 | 30 | 30 | 17 | 18 |
B21 | 15-25 | 9.6 | 8.7 | 0.30 | <0.01 | 10 | 11 | 1.9 | 3.4 | 9.6 | 36 | 18 | 21 | 19 | 17 | 23 |
B22k | 25-60 | 10.1 | 9.2 | 0.66 | 0.05 | 2.2 | 9.1 | 1.8 | 6.7 | 28 | 35 | 18 | 21 | 17 | 3 | 35 |
B23k | 60-100 | 10.1 | 9.8 | 0.83 | 0.09 | 2.0 | 8.1 | 1.6 | 7.7 | 27 | | | | | | |
B24 | 100-130 | 9.7 | 9.6 | 1.1 | 0.14 | 2.4 | 10 | 2.0 | 8.9 | | | | | | | |
Profile Described By: Mark Imhof, April 2004.
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