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LWA5

Location: CowangieAustralian Soil Classification: Endohypersodic, Petrocalcic, Lithocalcic CALCAROSOL
General Landscape Description: Surface between east-west dunesSite Description: Stubble paddock
Geology: Quaternary aeolian deposits (Woorinen formation)

LWA5 landscape
LWA5 Landscape

Soil Profile Morphology:

Surface Soil

A1 0-12 cmBrown (7.5YR4/3); light sand; apedal; pH 8.2; some calcareous fragments at surface; abrupt change to:
LWA5 profile
LWA5 Profile
Subsoil
B2 12-30 cmDark brown (7.5YR3/2); fine sandy clay loam; weak to firm consistence (dry); many roots present; pH 8.8; wavy and abrupt change to:
Ck30-60 cmLayered calcrete; gradual and wavy change to:
D1k 60-85 cmReddish yellow (7.5YR6/6); sandy clay loam; firm consistence (dry); very many (60%) fine-earth carbonates and some semi-hard calcareous nodules; pH 9.2; gradual change to:
D2k 85-120 cmReddish yellow (7.5YR6/6); sandy clay loam; very many (50%) fine-earth carbonates; pH 9.4; clear and wavy change to:
D3k 120+ cmYellowish red (5YR5/8) with light yellowish brown (10YR6/4) mottles; few (5%) semi-hard calcareous nodules and very few (2%) manganese stains; pH 9.2.


Key Profile Features:

Soil Profile Characteristics:

pH
Salinity Rating
Surface
(Ap horizon)
Moderately alkaline
Low
Non-sodic
None
Subsoil
(B2 horizon 12-30 cm)
Strongly alkaline
Extremely high
Strongly sodic
None1
Deeper subsoil
(120+ cm)
Very strongly alkaline
Extremely high
Strongly sodic
Slight2

LWA5 graphs

Horizon
Horizon Depth
pH (water)
pH CaCl2
EC
1:5
Org. Carbon
mg/kg
Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A1
0-12
8.2
7.7
0.1
0.61
6.4
0.7
0.7
0.1
B2
12-30
8.8
8.3
1.6
0.95
7.6
4.4
1.7
3.8
Ck
Calcrete layer
D1k
60-85
9.2
8.7
1.6
2.2
4.0
0.8
3.2
D2k
85-120
9.4
8.7
1.2
1.5
3.7
0.8
3.2
D3k
120+
9.2
8.7
16.0
1.4
3.7
0.9
3.3

Horizon
Horizon Depth
Boron
mg/kg
Field
pF2.5
g/100g
Wilting Point
pF4.2
g/100g
Coarse Sand
(0.2-2.0mm)
%
Fine Sand
(0.02-0.2mm)
%
Silt
(0.002-0.02mm)
%
Clay
(<0.002mm)
%
A1
0-12
0.6
30.1
2.6
45
44
3
4
B2
12-30
3.9
21.9
10.5
26
34
7
16
Ck
Calcrete layer
D1k
60-85
16.0
22.5
8.1
29
23
9
16
D2k
85-120
16.0
16.1
9.1
D3k
120+
15.0


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).

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.

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