Location: Lillimur South
Australian Soil Classification: Vertic, Mottled-Mesonatric, Grey SODOSOL
Northcote Factual Key: Dy5.43
Great Soil Group: solodic
Site WW14 Landscape |
A1 A2 | 0-10 cm 10-35 cm | Very dark greyish brown (10YR3/2) sand (organic); weak consistence when dry; pH 5.8; abrupt transition to: Pink (7.5YR7/4) sand; conspicuously bleached when dry; structureless; weak consistence when dry; a few subrounded ferruginised (‘buckshot’) gravels; thin (2-5 mm) capping directly above the clay, with a very strong consistence when dry; pH 6.5; sharp transition to: | Site WW14 Profile |
Subsoil | |||
B21 | 35-70 cm | Pale brown (10YR6/3) changing at depth to yellowish brown (10YR5/6) medium clay; coarse distinct red, light grey and yellowish brown mottles are abundant; moderate blocky structure (peds 20-50 mm), parting to moderate polyhedral structure (peds 10-20 mm) with strong polyhedral structure in patches (peds 5-10 mm); strong consistence when dry; dispersive when worked; pH 6.4; clear transition to: | |
B22 | 70-120 cm | Yellowish brown (10YR5/6) medium clay; with dark stains down prism faces; moderate to strong prismatic structure (peds 50-100 mm), parting to moderate blocky structure (peds 20-50 mm); strong consistence when slightly moist; pockets of clayey sand occur; pH 8.2; gradual transition to: | |
B23 | 120-150 cm | Yellow (10YR7/8) medium clay; strong lenticular structure in patches; firm to very firm consistence when moderately moist; pH 8.8; gradual transition to: | |
B31 | 150-170 cm | Brownish yellow (10YR6/6) sandy clay (with patches of grey); firm consistence when moderately moist; pH 8.6; gradual transition to: | |
B32 | 170-200+ | Pinkish grey (7.5YR6/2) sandy clay loam; with veins of bluish grey (5B6/1) clay and red flecks of quartz sand; firm consistence when moderately moist; pH 8.7. |
pH | Salinity | Internal Drainage | Hydro-phobicity | |||
Surface (A1 horizon) | moderately acid | very low | non-sodic | - | - | medium |
Subsoil (B21 horizon) | slightly acid | very low | strongly sodic | nil1 | imperfectly drained2 | - |
Deeper subsoil (at 1 metre) | moderately alkaline | low-medium | strongly sodic | strong1 | - | - |
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Feature | Result | Management Prescription |
Sandy surface soil. |
| Dryland cropping.
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Hydrophobic surface soil. |
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Acidic surface soil. |
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Bleached A2 horizon. |
| Dryland cropping.
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Strong textural contrast between surface soil and subsoil (duplex). |
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Sodic clay subsoil. |
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Mottled subsoil. |
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Dispersion when reworked. |
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LAND USE | SUITABILITY CLASS | MAJOR LIMITING COMPONENT |
Wheat | 2 | Climate, landscape, soil |
Canola | 2 | Climate, landscape, soil |
Chickpeas | 3 | Climate, soil |
Lentils | 3 | Climate, soil |
White clover seed | 2 | Climate, landscape, soil |
Lucerne for seed production | 3 | Soil |
Viticulture | 3 | Soil |
Apples | 2 | Climate, landscape, soil |
Potatoes | 3 | Landscape, soil |
Carrots | 3 | Landscape, soil |
Onions | 3 | Landscape |
Sweet corn | 3 | Soil |
Radiata Pine | 2 | Climate, landscape, soil |
Blue Gum | 2 | Climate, landscape, soil |
Wheat | Climate | 2* | Moderate to high frost risk, moderate to high rainfall. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 2 | Clay subsoil, slightly impeded internal drainage, hydrophobicity. | |
Canola | Climate | 2# | Moderate to high frost risk, slightly high rainfall. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 2 | Slightly impeded internal drainage, hydrophobicity. | |
Chickpeas | Climate | 3 | High rainfall. |
Landscape | 2 | Gully erosion hazard, wind erosion hazard. | |
Soil | 3 | Sandy surface soil, impeded internal drainage. | |
Lentils | Climate | 3 | High rainfall. |
Landscape | 2 | Gully erosion hazard, wind erosion. | |
Soil | 3 | Sandy surface soil, impeded internal drainage. | |
White clover seed | Climate | 2+ | Moderate frost risk, moderate to high rainfall. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 2 | Slightly impeded internal drainage, hydrophobicity. | |
Lucerne for seed production | Climate | 2 | Moderate frost risk. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 3 | Impeded internal drainage. | |
Viticulture | Climate | 2# | Moderate to high frost risk. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 3 | Impeded internal drainage. | |
Apples | Climate | 2# | Moderate to high frost risk, slightly high mean maximum January temperature. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 2 | Slightly impeded internal drainage, hydrophobicity. | |
Potatoes | Climate | 2 | Slightly high mean maximum January temperature. |
Landscape | 3 | Gully erosion hazard. | |
Soil | 3 | Impeded internal drainage. | |
Carrots | Climate | 1 | No major limitation. |
Landscape | 3 | Gully erosion hazard. | |
Soil | 3 | Impeded internal drainage. | |
Onions | Climate | 2 | Moderate frost risk. |
Landscape | 3 | Gully erosion hazard. | |
Soil | 2 | Sandy surface soil, slightly impeded internal drainage, hydrophobicity. | |
Sweet corn | Climate | 2 | Slightly low mean monthly temperature (October - March). |
Landscape | 2 | Gully erosion hazard. | |
Soil | 3 | Sandy surface soil. | |
Radiata Pine | Climate | 2** | Moderate to low rainfall, slightly high mean maximum January temperature. |
Landscape | 2 | Gully erosion hazard. | |
Soil | 2 | Slightly impeded internal drainage. | |
Blue Gum | Climate | 2** | Moderate to low rainfall, slightly high mean maximum January temperature . |
Landscape | 2 | Gully erosion hazard. | |
Soil | 2 | Slightly impeded internal drainage. |