Location: Lillimur
Australian Soil Classification: Vertic (and Calcic), Subnatric, Grey SODOSOL
Northcote Factual Key: Dy3.43
Great Soil Group: solodised solonetz
Site WW12 Landscape |
A1 | 0-15 cm | Very dark greyish brown (10YR3/2) sandy loam; structureless; weak consistence when dry; structure increases to weak blocky structure (peds 20-50 mm) when roots penetrate; pH 6.3; sharp and wavy transition to: | Site WW12 profile |
A2 | 15-20 cm | Pale brown (10YR6/3) loamy sand; conspicuously bleached; strong consistence when dry; occurs as capping on top of columnar structure; pH 6.7; sharp and wavy transition to: | |
Subsoil | |||
B21 | 20-40 cm | Brown (7.5YR5/2) medium heavy clay; many very coarse distinct red mottles; strong columnar structure (peds >200 mm) parting to weak blocky structure (peds 50-100 mm); dispersive when worked; pH 7.5; gradual transition to: | |
B22 | 40-60 cm | Yellowish red (5YR5/8) medium heavy clay; moderate blocky structure (peds 20-50 mm); completely dispersive; pH 8.8: | |
B23 | 60-90 cm | Light yellowish brown (10YR6/4) medium clay; soft calcium carbonate segregations common; pH 9.4: | |
B24k | 90-130 cm | Very pale brown (10YR7/3) light clay (sandy); moderate polyhedral structure (peds 10-20 mm parting to 5-10 mm); many soft calcium carbonate segregations and a few hard carbonate/silica nodules (5-15 mm in size); pH 9.5: | |
B25 | 130-170+ cm | Light grey (2.5Y7/2) medium clay; moderate to strong lenticular structure with some slickensides; smooth fabric, with sand along ped faces; pH 9.5. |
Horizon | pH | Salinity | Internal Drainage | Hydro-phobicity | ||
Surface (A1 horizon) | slightly acid | low | non-sodic | - | - | moderate |
Subsoil (B21 horizon) | slightly alkaline | low | sodic | slight1 | Imperfectly drained3 | - |
Deeper subsoil (at 1 metre) | very strongly alkaline | high | - | nil2 | - | - |
Feature | Result | Management Prescription |
Sandy surface soil. |
| Dryland cropping.
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Hydrophobic surface soil. |
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Shallow surface soil depth. |
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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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Columnar or prismatic subsoil structure. |
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Mottled subsoil. |
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Dispersion when reworked. |
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Alkaline subsoil. |
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Soil salinity at depth. |
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LAND USE | SUITABILITY CLASS | MAJOR LIMITING COMPONENT |
Wheat | 2 | Climate, soil |
Canola | 2 | Climate, soil |
Chickpeas | 3 | Soil |
Lentils | 3 | Soil |
White clover seed | 2 | Soil |
Lucerne forseed production | 3 | Soil |
Viticulture | 3 | Soil |
Apples | 3 | Soil |
Potatoes | 3 | Soil |
Carrots | 3 | Soil |
Onions | 3 | Soil |
Sweet corn | 3 | Soil |
Radiata Pine | 3 | Climate |
Blue Gum | 3 | Climate |
Wheat | Climate | 2 | Moderate frost risk, slightly high rainfall. |
Landscape | 1 | No major limitation. | |
Soil | 2 | Slightly impeded internal drainage, hydrophobicity. | |
Canola | Climate | 2 | Moderate frost risk. |
Landscape | 1 | No major limitation. | |
Soil | 2 | Soil salinity, hydrophobicity, slightly impeded internal drainage. | |
Chickpeas | Climate | 2* | Moderate frost risk, moderate to high rainfall. |
Landscape | 2 | Wind erosion hazard. | |
Soil | 3 | Impeded internal drainage. | |
Lentils | Climate | 2 | Moderate frost risk, slightly high rainfall. |
Landscape | 2 | Wind erosion hazard. | |
Soil | 3 | Impeded internal drainage. | |
White clover seed | Climate | 1 | No major limitation. |
Landscape | 1 | No major limitation. | |
Soil | 2 | Soil salinity, slightly impeded internal drainage, hydrophobicity. | |
Lucerne for seed production | Climate | 1 | No major limitation. |
Landscape | 1 | No major limitation. | |
Soil | 3 | Soil salinity, impeded internal drainage. | |
Viticulture | Climate | 2 | Moderate frost risk. |
Landscape | 1 | No major limitation. | |
Soil | 3 | Soil salinity, impeded internal drainage. | |
Apples | Climate | 2 | Moderate frost risk, slightly high mean maximum January temperature. |
Landscape | 1 | No major limitation. | |
Soil | 3 | Soil salinity. | |
Potatoes | Climate | 2 | Slightly high mean maximum January temperature. |
Landscape | 2 | Wind erosion hazard. | |
Soil | 3 | Shallow surface soil, impeded internal drainage. | |
Carrots | Climate | 1 | No major limitation. |
Landscape | 2 | Wind erosion hazard. | |
Soil | 3 | Shallow surface soil, impeded internal drainage. | |
Onions | Climate | 2 | Moderate frost risk. |
Landscape | 2 | Wind erosion hazard | |
Soil | 3 | Impeded internal drainage. | |
Sweet corn | Climate | 2 | Slightly low mean monthly temperature (October - March). |
Landscape | 1 | No major limitation. | |
Soil | 3 | Impeded internal drainage. | |
Radiata Pine | Climate | 3 | Low rainfall. |
Landscape | 1 | No major limitations. | |
Soil | 2 | Soil salinity, slightly impeded internal drainage. | |
Blue Gum | Climate | 3 | Low rainfall. |
Landscape | 1 | No major limitations. | |
Soil | 2 | Soil salinity, slightly impeded internal drainage. |