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LWA7

Location: CowangieAustralian Soil Classification: Lithocalcic, Mottled-Mesonatric, Red SODOSOL
General Landscape Description: DepressionSite Description: Landcare delivery site
Geology:Quaternary aeolian deposits (Woorinen formation)

LWA7 landscape
LWA7 Landscape

Soil Profile Morphology:

Surface Soil

A10-18 cmDark brown (7.5YR3/3); sandy loam; apedal; weak consistence (dry); pH 8.4; clear change to:
LWA7 profile
LWA7 Profile
Subsoil

B118-40 cmBrown (7.5YR4/4); fine sandy clay loam; weak structure; firm structure (dry); pH 8.7; clear change to:
B21k40-60 cmYellowish red (5YR4/6) with brown (7.5YR4/4) mottles; light clay (sandy); very many (50%) soft and semi-hard calcareous nodules; pH 8.7; gradual change to:
B22k60-100 cmReddish brown (5YR4/4); light clay (sandy); moderate coarse to medium (10-50 mm) subangular blocky; very many (50%) soft and semi-hard calcareous nodules; pH 8.9; clear change to:
B23100+ cmReddish yellow (5YR6/6) with light brownish grey (10YR6/2) mottles; strong coarse (50-100 mm) prismatic, parting to strong coarse to medium (10-50 mm) blocky structure; few (5%) soft calcareous nodules; pH 9.1.


Key Profile Features:



Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Moderately alkaline
Very high
Sodic
None 1
Subsoil
(B21 horizon 40-60 cm)
Strongly alkaline
Extremely high
Strongly sodic
None 1
Deeper subsoil
(100+ cm)
Very strongly alkaline
Extremely high
Strongly sodic
None 1

LWA7 graphs

Horizon
Horizon Depth
pH (water)
pH CaCl2
EC
1:5
Org. Carbon
mg/kg
Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A1
0-18
8.4
8.0
1.1
1.3
8.1
1.3
1.7
1.1
B1
18-40
8.7
8.2
1.3
9.4
3.0
1.1
3.7
B21k
40-60
8.7
8.3
1.4
8.6
3.7
1.1
4.2
B22k
60-100
8.9
8.5
2.0
4.5
5.6
1.5
5.1
B23
100+
9.1
8.6
1.9
3.5
7.8
1.7
8.1

Horizon
Horizon Depth
Boron
mg/kg
Coarse Sand
(0.2-2.0mm)
%
Fine Sand
(0.02-0.2mm)
%
Silt
(0.002-0.02mm)
%
Clay
(<0.002mm)
%
A1
0-18
1.5
41
39
3
10
B1
18-40
1.4
33
30
9
22
B21k
40-60
3.3
32
27
10
22
B22k
60-100
18.0
27
16
5
27
B23
100+
21.0


Note:
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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