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SW51

Location: Cooriemungle.

Australian Soil Classification: Bleached-Acidic, Dystrophic, Grey DERMOSOL.

Map Unit: Unmapped.

General Landscape Description: Lower slope of Gently Undulating Rises.
Site Description: Grazing paddock (dairy).
Geology: Tertiary – Moorabool Viaduct Formation.

Image: SW51 Landscape
SW51 Landscape


Soil Profile Morphology:

Surface Soil

A10-15 cmBlack (10YR2/1); fine sandy clay loam; weakly structured; weak consistence moist; contains very few (2%) quartz nodules (2-5 mm in size); pH 5.3; clear change to:
    Image: SW51 Landscape
    SW51 Profile
A215-25 cmPale brown (10YR6/3), conspicuously bleached; very finesandy clay loam; weakly structured; weak consistence moist; contains very few (2%) quartz nodules (2-5 mm in size); pH 5.2; clear change to:

Subsoil

B2125-60 cmPale brown (10YR6/3) with many brownish yellow (10YR6/6) and yellowish brown (10YR5/8) mottles; light clay very fine sandy; moderate coarse blocky, parting to strong medium blocky structure; weak consistence moist; pH 5.5; gradual change to:

B2260-80 cmLight brownish grey (10YR6/2) with many yellowish brown (10YR5/8) mottles; light mediumclay; strong medium blocky structure; weak consistence moist; pH 5.1; gradual change to:

B2380-110 cmGrey (10YR6/1) with many yellowish brown (10YR5/8) mottles; light medium clay; strong coarse blocky, parting to moderate fine polyhedral structure; shiny peds; firm consistence moist; pH 5.3.


Key Profile Features:
Soil Profile Characteristics:


pH

Salinity Rating
Surface
(A1 horizon)
Strongly Acid
Very Low
Non-Sodic
None
Subsoil
(B21 horizon)
Strongly Acid
Very Low
Non-Sodic
Slight1
Deeper Subsoil
(at 1 m)
Strongly Acid
Very Low
Non-Sodic
None
1. Complete dispersion after remoulding.

Image: SW51 Graphs
This profile is strongly acid throughout.
This profile has a very low salinity rating throughout.
The clay content increases gradually with depth.



Horizon

Horizon Depth
(cm)

pH
(water)

pH
CaCl2

EC
1:5
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
0-15
5.3
4.4
0.07
6.1
1
0.1
0.05
A2
15-25
5.2
4.1
0.06
1.6
0.5
<0.1
0.2
B21
25-60
5.5
4.2
0.07
1
0.6
<0.1
0.4
B22
60-80
5.1
4.1
0.09
0.9
1.6
0.1
0.4
B23
80-110
5.3
4.2
0.08
0.7
2.8
<0.1
0.4

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
0-15
4.9
0.38
29
11
10
51
21
8
A2
15-25
21
7
8
53
22
15
B21
25-60
9.5
24
9
7
50
22
21
B22
60-80
30
14
7
40
17
38
B23
80-110
34
18
6
35
16
45


Profile Described By: Mark Imhof and Austin Brown (August 1998).
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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