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LS2

WLRA - soil pit LS2- landscape
Lower slope on eastern side of undulating rise
    Site Code
LS2
WLRA - soil pit LS2- profile
Vertic (and Calcic), Mottled-Subnatric, Brown Sodosol

    Location

Kinimakatka, western Victoria

    Landform

Gently undulating rises

    Geology

Quaternary Woorinen Formation: aeolian dune sand, calcareous clay

    Element

Hillslope (middle)

    Aspect

3­4%
Horizon
Depth (cm)
DescriptionEast

A1

0–10

Dark brown (10YR3/3); sandy clay loam; weakly structured; weak consistence (dry); pH 6.2; sharp boundary to:

B21

10–40

Dark brown (10YR3/3) with faint reddish brown (5YR4/4) mottles; medium heavy clay; moderate coarse prismatic, parting to moderate coarse blocky structure; very strong consistence (dry); contains few (5%) ferruginous concretions; pH 7.8.

B22k

40–80

Light brownish grey (10YR6/2) with yellowish red (5YR5/6) mottles; medium heavy clay; moderate coarse prismatic, parting to moderate coarse blocky structure; contains few (10%) soft carbonate segregations in pockets; pH 9.4.

B23

80–100

Greyish brown (2.5Y5/2) with yellowish red (5YR4/6) mottles; medium heavy clay; pH 9.3.

B24

100–130

Olive brown (2.5Y6/4) with red mottles; heavy clay; strong lenticular structure; pH 9.2.
Management considerations
  • Texture contrast below surface horizon and clay subsoil horizons
  • Hardsetting nature of the surface soil
  • Vertic properties (i.e. presence of lenticular structure) in deeper subsoil
  • Midslope, moderate to well drained site drainage
  • Slightly acidic surface soil over alkaline subsoil, decreasing slightly at depth
  • Strongly sodic at depth and higher salinity below upper subsoil
Site
LS2
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
6.2
5.4
0.15
NA
6.1
2.1
0.8
0.1
NA
NA
17.2
6
NA
NA
NA
NA
B21
10–40
7.8
6.8
0.1
NA
10.2
5.9
0.9
1.4
NA
NA
25.9
11.7
NA
NA
NA
NA
B22
40–80
9.4
8.7
0.73
NA
7.5
12.1
0.8
8.9
NA
NA
NA
NA
NA
NA
NA
NA
B23
80–100
9.3
8.8
1.16
0.17
4.3
10.8
1
11.2
NA
NA
NA
NA
NA
NA
NA
NA
B24
100–130
9.2
8.7
1.18
0.21
4.1
9.7
0.9
10.7
NA
NA
NA
NA
NA
NA
NA
NA
B25
130+
8.5
7.9
0.39
NA
4.6
11.9
1
12.5
NA
NA
NA
NA
NA
NA
NA
NA
Note: NA=not assessed
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