Location: Kewell.
Soil Type: Minor Type B
Australian Soil Classification: Episodic-Epicalcareous, Epipedal, Grey VERTOSOL
Northcote Factual Key: Ug 5.2
Great Soil Group: grey clay
General Description: Playa plain within a gently undulating plain.
Geology: Quaternary Woorinen Formation: aeolian dune sand, calcareous clay
Soil Profile Morphology:
Surface Soil
A1 | 0-10 cm | Dark grey (7.5YR4/0) heavy clay; plastic; cracking, self-mulching surface condition; moderate coarse subangular blocky structure; strong consistence dry, slightly sticky consistence wet; pH 9.0; gradual change to: | |
Subsoil | |||
B21 | 10-30 cm | Dark grey (7.5YR4/0) heavy clay; plastic; moderate coarse subangular blocky structure; strong consistence dry, slightly sticky consistence wet; contains a trace (<2%) amount of soft carbonate; pH 9.5; gradual change to: | |
B22k | 30-60 cm | Grey (N5/0) heavy clay; plastic; moderate coarse subangular blocky structure; strong consistence dry, slightly sticky consistence wet; contains a slight (2-10%) amount of soft carbonate; pH 9.8; gradual change to: | |
B31 | 60-90 cm | Light brownish grey (2.5Y6/2) heavy clay; plastic; weak subangular blocky structure; strong consistence dry, slightly sticky consistence wet; contains a trace (<2%) amount of hard carbonate; pH 9.9; gradual change to: | |
B32 | 90-120 cm | Light brownish grey (2.5Y6/2) heavy clay; plastic; weak subangular blocky structure; strong consistence dry, slightly sticky consistence wet; contains a trace (<2%) amount of hard carbonate; pH 9.8. |
Horizon | Sample Depth cm | pH | EC dS/m | Sodium Chloride % | Exchangeable Calcium cmol-/kg | Exchangeable Magnesium cmol-/kg | Exchangeable Potassium cmol-/kg | Exchangeable Sodium cmol-/kg | Exchangeable Aluminium mg/kg | Exchangeable Acidity cmol-/kg | Field Capacity -30okPa | Permanent Wilting Point -1500okPa | Coarse Sand % | Fine Sand % | Silt % | Clay % | |
H2O | CaCl2 | ||||||||||||||||
A1 | 0–10 | 9.0 | NA | 0.26 | 0.01 | 25.9 | 7.6 | 1.9 | 3.6 | NA | 5.6 | NA | 24.2 | 18 | 11 | 8 | 54 |
B21 | 10–30 | 9.5 | NA | 0.48 | 0.03 | 23.3 | 16.3 | 1.6 | 10.1 | NA | 0.4 | NA | 35.1 | 18 | 11 | 7 | 58 |
B22 | 30–60 | 9.8 | NA | 1.03 | 0.09 | 8.6 | 19.2 | 1.9 | 21.4 | NA | NA | NA | 51.8 | 16 | 10 | 6 | 57 |
B31 | 60–90 | 9.9 | NA | 1.27 | 0.1 | 3.7 | 16.5 | 2.0 | 23.6 | NA | NA | NA | 37.3 | 13 | 8 | 4 | 61 |
B32 | 90–120 | 9.8 | NA | 1.34 | 0.12 | 3.5 | 14.8 | 1.9 | 23.4 | NA | NA | NA | 30.7 | 14 | 8 | 5 | 62 |