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SW33

Location: Kawarren

Australian Soil Classification: Acidic, Dermosolic, Redoxic HYDROSOL

Map Unit: Map Unit 147 (Maher and Martin, 1987).

General Landscape Description: Level plain.
Site Description: Grazing paddock (dairy).
Geology: Quaternary sediments overlying Tertiary - Dilwyn Formation.

Sw33 Landscape
SW33 Landscape


Soil Profile Morphology:

Surface Soil

A10-20 cmGreyish brown (10YR3/2); rusty root channel mottling present; very fine sandy clay loam; weak coarse blocky, parting to moderate medium blocky structure; weak consistence moist; pH 5.1:
Sw33 Profile
SW33 Profile
Subsoil
B2120-45 cmBrown (10YR5/3) with yellowish brown (10YR5/8) mottles; light clay; moderate medium polyhedral structure; weak consistence moist; pH 4.9:
B2245-100 cmGrey (10YR5/1) with yellowish brown (10YR5/6) mottles; medium clay; strong medium polyhedral, parting to strong fine polyhedral structure; weak consistence moist; pH 4.7.

Key Profile Features:

Soil Profile Characteristics:



pH



Salinity Rating
Surface
(A1 horizon)
Strongly Acid
Low
Non-Sodic
None
Subsoil
(B21 horizon)
Very Strongly Acid
Low
Non-Sodic
None
Deeper subsoil
(at 1 m)
Very Strongly Acid
Very Low
Non-Sodic
None

Sw33 pH
The surface horizon is strongly acid. The subsoil is very strongly acid.		Sw33 Salinity
The whole profile has a low to very low salinity rating. 		Sw33 Clay
The clay content gradually increases with depth.

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
(dS/m)
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A1
0-20
5.1
4.4
0.13
3.9
0.9
0.2
0.05
B21
20-45
4.9
4.2
0.12
2.5
1.6
0.2
0.05
B22
45-80
4.7
4
0.16
1.6
3.3
0.3
0.2
B23
80-100
4.7
3.9
0.13
1.2
3.7
0.2
0.2

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
0-20
3.2
0.23
28.7
11.2
9
50
14
24
B21
20-45
12
29.2
13.6
10
41
10
38
B22
45-80
38.8
21.2
7
26
7
57
B23
80-100
8
27
8
54

Profile Described By: Mark Imhof and Austin Brown (June, 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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