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LS24

WLRA - soil pit LS24- landscape
Upper slope of a low rise

    Site Code
LS24
WLRA - soil pit LS24- profile
Hypercalcic, Subnatric, Brown Sodosol

    Location

Propodollah, western Victoria

    Landform

Gently undulating plain

    Geology

Quaternary Woorinen Formation:
aeolian dune sand, calcareous clay

    Element

Simple slope

    Slope



3%
Horizon
Depth (cm)
Description

A11

0–8

Dark brown (10YR3/3); sandy loam; massive (structureess); strong consistence (dry); pH 7.6.

A12

8–15

Dark yellowish brown (10YR4/4); light sandy clay loam; massive (structureless); very strong consistence (dry); pH 8.3.

B21

15–30

Yellowish brown (10YR5/4); medium heavy clay (sandy); moderate medium blocky structure; very strong consistence (dry); contains few soft carbonate segregations; pH 9.0.

B22k

30–70

Strong brown (7.5YR5/6); medium heavy clay; moderate medium blocky structure; contains many (50%) soft and hard carbonate nodules; pH 9.3.

B23

70+

Very pale brown (10YR7/4) with (10YR6/4) and (2.5YR4/8) mottles; medium heavy clay.
Management considerations
  • Strong texture contrast between surface horizons and medium heavy clay subsoil
  • Hardsetting surface soil, may have high susceptibility to sheet erosion, with shallow depth to subsoil
  • Alkaline profile with increasing magnesium and sodium with depth. Increase in salinity below upper subsoil
  • Abundant calcium carbonate in subsoil
  • Gentle slope, moderate site drainage

Site
LS24
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
A11
0–8
7.6
7
0.09
NA
6.1
1.4
0.7
0.1
NA
NA
16.3
6.4
NA
NA
NA
NA
A12
8–15
8.3
7.3
0.11
NA
6
3.3
0.6
0.7
NA
NA
NA
NA
NA
NA
NA
NA
B21
15–30
9
8.1
0.35
NA
7.4
7.5
0.7
2.5
NA
NA
30.6
16.9
NA
NA
NA
NA
B22
30–70
9.3
8.6
1.28
NA
4.1
12
1.3
6.2
NA
NA
NA
NA
NA
NA
NA
NA
B23
70+
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Note: NA=not assessed
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