WCSS02a
Location: Hamilton.
Australian Soil Classification: Vertic (& Sodic), Eutrophic, Black CHROMOSOL (thin to moderate surface horizon depth)
with Melacic-Vertic (& Sodic), Eutrophic, Black CHROMOSOL (thick surface horizon depth)
General Landscape Description: Gently undulating plain.
Site Description: Nitrous oxide trial site.
Geology: Quaternary basalt.
WCSS 01-02 Landscape
Soil Profile Morphology:
Surface Soil
| A1 | 0-10 cm | Dark brown (7.5YR3/2); some rusty root mottling; fine sandy clay loam; moderate coarse blocky, parting to strong medium to very fine polyhedral structure; very firm consistence dry; pH 5.0; clear change to: |  WCSS02a Profile |
| Subsoil |  | | |
| B21 | 10-30 cm | Dark brown (7.5YR3/2); medium clay; coarse medium to very fine polyhedral structure; weak consistence moist; pH 5.5; gradual change to: | |
| B22 | 30-65 cm | Dark brown (7.5YR3/2) with yellow (10YR7/6) mottles; medium heavy clay; weak to moderate coarse prismatic, parting to moderate coarse to medium sub-angular, and moderate medium to fine lenticular structure; firm consistence moist; pH 6.0; clear change to: | |
| B23 | 65-130 cm | Light olive brown (2.5Y5/4); heavy clay; strong medium to very fine lenticular structure; firm consistence moist; pH 7.1; diffuse change to: | |
| B3 | 130-150 cm | Light olive brown (2.5YR5/4) with few strong brown (7.5YR5/6) mottles; heavy clay; strong medium to fine lenticular structure; very firm consistence slightly moist; pH 7.6; singular ferruginous nodules 3 cm in diameter: | |
| C | 150+ cm | Weathered basalt. |
Key Profile Features:
|  Horizon variability across soil pit. | |||||||||||||||||||||||||
Horizon | Horizon Depth (cm) | pH (water) | pH (CaCl2) | EC ds/m | Organic Carbon g/100g | Exchangeable Cations | |||
Ca | Mg | K | Na | ||||||
meq/100g | |||||||||
A1 | 0-10 | 5.0 | 4.6 | 0.33 | 5.5 | 5.9 | 3.8 | 0.21 | 0.18 |
B21 | 10-30 | 5.5 | 4.6 | 0.12 | 2.4 | 5 | 7.6 | 0.19 | 1.3 |
B22 | 30-65 | 6.0 | 5.0 | 0.23 | 1.3 | 6.3 | 15 | 0.27 | 3.5 |
B23 | 65-130 | 7.1 | 6.5 | 0.64 | | 7 | 18 | 0.43 | 8.5 |
B/C | 130-150+ | 7.6 | 7.1 | 1.2 | | 8.1 | 22 | 0.3 | 11 |
Horizon | Horizon Depth (cm) | Exchangeable Aluminium mg/kg | Exchangeable Acidity meq/100g | Field Capacity pF2.5 | Wilting Point pF4.2 | Coarse Sand (0.2-2.0mm) | Fine Sand (0.02-0.2mm) | Silt (0.002-0.02mm) | Clay (<0.002mm) |
A1 | 0-10 | 29 | 16 | 40.9 | 18.9 | 3 | 36 | 29 | 28 |
B21 | 10-30 | | 15 | 42.2 | 19.8 | 4 | 23 | 22 | 47 |
B22 | 30-65 | | 15 | 55.9 | 32.9 | 2 | 8 | 8 | 77 |
B23 | 65-130 | | 7.3 | 58.9 | 33.3 | 2 | 11 | 13 | 70 |
B/C | 130-150+ | | | 66 | 35 | | | | |
Profile Described By: Mark Imhof and David Rees (May 2010).
© State of Victoria (Agriculture Victoria) 1996 - .
This work, Victorian Resources Online, is licensed under a Creative Commons Attribution 4.0 licence. You are free to re-use the work under that licence, on the condition that you credit the State of Victoria (Agriculture Victoria) as author, indicate if changes were made and comply with the other licence terms.
The licence does not apply to ‘branding’ or some ‘images or photographs’ that may be owned by third parties. We ask you to seek prior approval to use images using the VRO feedback form. Access to higher quality images can also be provided on request.
This page was last updated on .