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LSWW30

WLRA - soil pit WW30- landscape
Depression with drainage line

    Site Code
LSWW30
WLRA - soil pit WW30- profile
Eutrophic, Mesonatric, Grey SODOSOL

    Location

Chappel Road, Telopea Downs, western Victoria

    Landform

Gently undulating plains

    Geology

Quaternary Woorinen Formation:
aeolian dune sand, calcareous clay

    Element

Swale/depression

Horizon
Depth (cm)
Description
A1
0–10
Dark greyish brown (10YR4/2); organic sandy loam; weak medium subangular blocky structure; firm consistence (dry); pH 6.7:
B21
10–30
Greyish brown (10YR5/2) with common faint brownish yellow mottles; medium clay; strong fine polyhedral structure; strong consistence (dry); pH 7.2:
B22
30–50
Brownish yellow (10YR6/6) with a few distinct orange mottles; medium heavy clay; strong medium and coarse polyhedral structure; pH 8.7:
C
50–100+
Pale mottled sandy material.

Management Considerations

  • Strong textural contrast
  • Shallow topsoil depth, susceptible to sheet and rill erosion
  • Sodic topsoil (crusting of surface) and subsoil which is also dispersive
  • Variable clay depth and depth to clay, gilgai characteristics
  • Swale, very poor site drainage

Horizon
Depth (cm)
pH (water)
pH (CaCl2)
EC
dS/m
NaCl
%
Exchangeable Cations
cmol-/kg
Coarse Sand
%
Fine Sand
%
Silt
%
Clay
%
Ca
Mg
K
Na
A1
0–10
6.7
5.8
0.16
4.2
4.8
0.9
0.9
0.3
36.4
32.5
3.5
21
B21
10–30
7.2
6.5
0.53
0.12
6.8
13
0.6
4.6
18.2
17.9
2
53.5
B22
30–50
8.7
8.2
1.3
0.26
C
50–100+
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