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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 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
Site
WW30
Sample depth cm
pH
EC
dS/m
NaCl
%
Ex Ca
cmol-/kg
Ex Mg
cmol-/kg
Ex K
cmol-/kg
Ex Na
cmol-/kg
Ex Al
mg/kg
Ex acidity
cmol-/kg
FC
-30okPa
PWP
-1500okPa
KS
%
FS
%
Z
%
C
%
Horizon
H2O
CaCl2
A1
0–10
6.7
5.8
0.16
4.2
4.8
0.9
0.9
0.3
NA
NA
NA
NA
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
NA
NA
NA
NA
18.2
17.9
2
53.5
B22
30–50
8.7
8.2
1.3
0.26
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
C
50–100+
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Note: NA=not assessed
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