Victorian Resources Online (archived)
Archived content — This page contains material from the Victorian Resources Online (VRO) website. It is no longer maintained and is provided for reference only. This content is hosted by CeRDI and is not endorsed by Agriculture Victoria.

Sitemap

SW22

Location: Simpson

Australian Soil Classification: Humose-Acidic, Dystrophic, Grey DERMOSOL

Map Unit: Simpson/Tomahawk Creek Land System (Pitt, 1981).

General Landscape Description: Grazing paddock (dairy).
Site Description: Gently undulating plain
Geology: Tertiary - Neogene Hanson Plain Sand Formation.

Image: SW22 Landscape
SW22 landscape


Soil Profile Morphology:

Surface Soil

O0-5 cmOrganic mat:

Image: SW22 Profile
SW22 profile
A15-25 cm Black (10YR2/1); loam; moderate coarse blocky, parting to moderate medium sub-angular block structure; weak consistence moist; pH 4.5; clear change to:

A225-45 cmVery dark grey (10YR3/1); fine sandy loam; moderate coarse polyhedral structure; weak to firm consistence dry; pH 4.5; gradual change to:

Subsoil

B145-80 cmDark brown (7.5YR3/2); some rusty root channel mottling; light fine sandy clay loam; weak very coarse prismatic, parting to weak to moderate coarse blocky structure; firm consistence dry; pH 4.8; gradual change to:

B2180+ cmBrown (7.5YR5/2) with strong brown (7.5YR5/8) mottles and some dark stains along root channels; fine sandy clay loam; weak very coarse prismatic, parting to weak to moderate coarse blocky structure; firm to very firm consistence dry; pH 4.9.
NOTE: Some coffee rock in areas.

Key Profile Features:

Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Very Strongly Acid
Low
Non-Sodic
None
Subsoil
(B21 horizon)
Very Strongly Acid
Very Low
Non-Sodic
None

Image: SW22 Graphs

The surface soil and subsoil is very strongly acid. The salinity rating in the surface is low, the subsoil is very low.The surface and upper subsoil is non-sodic. The clay content is fairly constant throughout the profile.
Horizon
Horizon Depth
(cm)
pH
(water)
pH
CaCl2
EC
(dS/m)
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
5-25
4.5
3.8
0.14
6.5
0.6
0.1
0.1
A2
25-45
4.5
3.8
0.08
1.1
0.2
0.05
0.05
B1
45-80
4.8
4.3
0.06
0.2
0.05
0.05
0.05
B21
80+
4.9
4.2
<0.05
0.1
0.2
0.05
0.05

Horizon
Horizon Depth
(cm)
Acidity
meq/100g
Oxidisable Organic Carbon
%
Total
Nitrogen
%
Field Capacity
pF2.5
Wilting Point
pF4.2
Coarse Sand
(0.2-2.0 mm)
Fine Sand
(0.02-0.2 mm)
Silt
(0.002-0.02 mm)
Clay
(<0.002 mm)
A1
5-25
10
9.6
0.49
30
21
19
42
12
10
A2
25-45
18
9
17
50
19
9
B1
45-80
16
5
19
50
17
10
B21
80+
5.5
16
5
19
48
20
15

Profile Described By: Mark Imhof and Austin Brown (May 1988).
CC BY 4.0 AU

This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

The content is provided under the Creative Commons Attribution 4.0 Australia licence (CC BY 4.0 AU).

This material is presented in an archived form and is no longer maintained or updated. It is provided for general information only and should not be relied upon as current advice.

This site is hosted by the Centre for eResearch and Digital Innovation (CeRDI), Federation University Australia. It is not endorsed by Agriculture Victoria.

Agriculture Victoria does not accept liability for any loss, damage or consequences arising from the use of, or reliance on, this material.