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WLRA134

WLRA - soil pit WLRA134- landscape
Canola stubble on undulating plains
    Site Code
WLRA134
WLRA - soil pit WLRA134- profile
Gypsic, Self-mulching, Grey VERTOSOL

    Location

Cnr Henty Highway and Minyip Dimboola Road, Kewell North, Western Victoria

    Landform

Undulating plain

    Geology

Quaternary Woorinen Formation: aeolian dune sand, calcareous clay

    Element

Plain

    Slope

1.5%

    Aspect

East

A11
0–4
Dark grey (10YR4/1); light medium clay; strong fine granular structure; rough ped fabric; loose dry consistence; pH 7.3; abrupt and irregular change to:

A12
4–18
Dark grey (10YR4/1); medium heavy clay; strong coarse platy parting, to coarse angular blocky structure; rough ped fabric; firm dry consistence; contains common very fine roots; pH 7.5; gradual and irregular change to:


B21

18–40
Dark grey (10YR4/1); heavy clay; strong medium prismatic parting, to coarse angular blocky structure; rough ped fabric; strong consistence, dry; contains common very fine roots; pH 8.8; clear and irregular change to:


B22

40–60
Dark grey (10YR4/1); light clay; strong medium prismatic parting, to coarse angular blocky structure; rough and smooth ped fabric; strong consistence, dry; contains few coarse calcareous soft segregations; many faint slickensides evident; common very fine roots present; pH 8.9; clear and irregular change to:


B23k

60–80
Greyish brown (10YR5/2); light medium clay; strong medium prismatic, parting to coarse angular blocky structure; rough ped fabric; firm consistence moderately moist; contains many coarse calcareous soft segregations; many faint slickensides evident; a few very fine roots present; pH 8.8; clear and irregular change to:


B24

80–145+
Pale brown (10YR6/3); light medium clay; strong very coarse lenticular, parting to coarse polyhedral structure; smooth ped fabric; firm consistence moderately moist; contains very many gypseous veins; many faint slickensides evident; no roots (except in biopores); pH 8.1 increasing to pH 8.4 with depth.

Management Considerations:


Horizon
Depth (cm)
pH (water)
pH (CaCl2)
EC
dS/m
NaCl
%
Exchangeable Cations
cmol-/kg
Field Capacity
(pF2.5)
Wilting Point
(pF4.2)
Coarse Sand
%
Fine Sand
%
Silt
%
Clay
%
Ca
Mg
K
Na
A11
0-4
7.3
6.9
0.26
0.08
25
6.2
3
0.7
32.5
21.8
16
10.8
15.3
52.8
A12
4-18
7.5
6.9
0.43
0.13
25
9.2
1.5
3.1
40.9
27.1
17.9
11.7
15.5
51
B21
18-40
8.8
8.1
0.67
0.2
21
10
1.2
8.8
49.6
24.9
17.8
12.1
15
51.5
B22
40-60
8.9
8.3
1.2
0.36
16
10
1.3
12
50.3
23
18.1
12.1
18
50.5
B23k
60-80
8.8
8.4
1.7
0.51
13
9.7
1.4
13
51.4
25
17.4
12
12
52
B24
80-100
8.1
8.0
3.9
1.2
16
9.6
1.3
14
46.2
23.1
21.1
10.3
11.5
50
B24
100-120
8.4
8.1
2.7
0.81
15
10
1.4
16
50.3
25.5
18.8
10
11
54.5
CC BY 4.0 AU

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