Location: Baker
Australian Soil Classification: Episodic-Epicalcareous (and Magnesic), Epipedal, Brown VERTOSOL
Northcote Factual Key: Ug 5.2
Great Soil Group: grey clay
General Landscape Description: Gently Undulating Plain.
Site Description: Hollow component within a gilgaied plain.
Native Vegetation: Black Box and Lignum Bush occur in undisturbed areas.
LS21 east Landscape |
A1 | 0-10 cm | Dark greyish brown (10YR4/2); medium clay; firm consistence dry; pH 9.3 | LS1 east Profile |
Subsoil | |||
B21 | 10-50 cm | Brown (7.5YR5/4); medium clay; strong coarse prismatic, parting to strong coarse blocky structure; firm consistence moist; pH 9.5 | |
B22 | 50-80 cm | Light yellowish brown (10YR6/4) with yellowish brown (10YR5/8) mottles; medium heavy clay; moderate coarse lenticular structure; firm consistence moist; pH 9.4 | |
B23 | 80+ cm | Light yellowish brown (2.5YR6/4); light medium clay; strong coarse lenticular structure; pH 9.1 |
- | pH | Salinity | ||
Surface (A1 horizon) | Very Strongly Alkaline | Medium | Strongly Sodic | None* |
Subsoil (B21 horizon) | Very Strongly Alkaline | Extremely High | Strongly Sodic | Slight |
Deeper Subsoil (at 1 metre) | Very Strongly Alkaline | Extremely High | Strongly Sodic | - |
The profile is very strongly alkaline throughout. | The salinity rating is medium in the surface and extremely high in the subsoil. | The profile is strongly sodic throughout. |
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC dS/m | Na Cl % | Exchangeable Cations | Total Nitrogen % | Organic Carbon % | Field Capacity pF 2.5 | Wilting Point pF 4.2 | |||
Ca | Mg | K | Na | ||||||||||
meq/100g | |||||||||||||
A1 | 0-10 | 9.3 | 8.4 | 0.66 | 0.1 | 10.2 | 9.5 | 2 | 4.9 | 0.13 | 1.3 | 32.1 | 24.2 |
B21 | 10-50 | 9.5 | 9.2 | 1.81 | 0.32 | 2.6 | 12 | 1.9 | 11.5 | 42.5 | 29.7 | ||
B22 | 50-80 | 9.4 | 8.8 | 1.13 | 0.44 | 2.9 | 14 | 2.1 | 11.1 | ||||
B23 | 80+ | 9.1 | 8.8 | 2.5 | 0.52 | 2.3 | 16 | 2.4 | 12.8 |