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Site SW22

Location: Simpson Australian Soil Classification: Humose-Acidic, Dystrophic, Grey DERMOSOL
General Landscape Description: Grazing paddock (dairy).Mapping Unit: Simpson/Tomahawk Creek Land System (Pitt, 1981).
Site Description: Gently undulating plain.Geology: Tertiary - Moorabool Viaduct Formation.

Image: SW22 Landscape
Site SW22 landscape


Soil Profile Morphology:

Surface Soil

O0-5 cmOrganic mat:

Image: SW22 Profile
Site SW22 profile photo
A15-25 cm Black (10YR2/1); loam; moderate coarse blocky; 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); 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:

B280+ cmBrown (7.5YR5/2) with strong brown (7.5YR5/8) mottles; 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.

Key Profile Characteristics:

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

Image: SW22 Graphs

Horizon
Horizon Depth
(cm)
pH
(water)
pH
CaCl2
EC
1:5
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)
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
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+
16
5
19
48
20
15

Profile Described By: Mark Imhof and Austin Brown, August 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).

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