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WLRA133

WLRA - soil pit WLRA133- landscape
    Site Code
WLRA133
WLRA - soil pit WLRA133- profile
Episodic-Epicalcareous, Massive, Grey Vertosol

    Location

Jeparit Road, Warracknabeal

    Landform

Undulating plain

    Geology

Quaternary Woorinen Formation: aeolian dune sand, calcareous clay

    Element

Lower slope

    Slope

1%

    Aspect

South-east
Horizon
Depth (cm)
Description

A1

0–8

Very dark greyish brown (10YR3/2); light clay; massive (structureless); earthy fabric; very firm consistence when dry; highly calcareous; pH 9.0; abrupt and wavy boundary to:

B21

8–40

Dark grey (2.5Y4/1); medium clay; strong coarse to medium prismatic, parting to a medium to fine angular blocky structure; smooth ped-fabric; very strong consistence when dry; highly calcareous; few distinct slickenside cutans, pH 9.5; gradational and smooth boundary to:

B22k

40–70

Greyish brown (2.5Y5/2); medium clay; weak fine polyhedral structure; rough ped fabric; weak consistence when moderately moist; very highly calcareous; few extremely coarse calcareous soft segregations in patches; pH 9.5; diffuse and smooth boundary to:

B3

70–140+

Greyish brown (2.5Y5/3); medium clay; weak coarse polyhedral structure; rough ped fabric; weak consistence when moderately moist; highly calcareous; very few very coarse calcareous soft segregations in patches; few faint clay skins, pH 9.5.
Management considerations
  • High susceptibility to wind erosion
  • Alkaline subsoils with calcareous soft segregations in patches
  • Massive surface structure may make it vulnerable to wind erosion without stubble and trash retention
  • Possible slight to moderate soil structure decline susceptibility due dispersibility in the deeper subsoil
Site
WLRA133
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
0–8
8.6
8
0.23
0.11
1.4
3.1
27
5.6
1.9
1.5
NA
NA
NA
NA
NA
NA
B21
8–40
9.2
8.5
0.69
NA
NA
9.4
14
11
1.6
6
NA
NA
NA
NA
NA
NA
B22K
40–70
9.2
8.8
1.6
NA
NA
32
8.1
17
2.5
12
NA
NA
NA
NA
NA
NA
B3
70–140+
9.3
8.8
1.6
NA
NA
26
6.8
14
2.3
12
NA
NA
NA
NA
NA
NA
Note: NA=not assessed
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