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WIA11

    Site Code
 WIA11
WLRA - soil pit WIA11- profile
Epicalcareous-Endohypersodic, Epipedal, Grey Vertosol

    Location

Corkers Creek, Longerenong, western Victoria

    Landform

Anastomotic plain

    Geology

Quaternary Shepparton Formation: fluvial silt, sand and minor gravel

    Element

Plain
Horizon
Depth (cm)
Description
A1
0–10
Dark grey (5Y4/1); light clay; cracking and self-mulching surface condition; moderate fine subangular blocky structure; strong consistence dry; slightly sticky consistence wet; very few (<2%) hard carbonate segregations; pH 8.6; sharp and smooth boundary to:
B21
10–25
Dark grey (5Y4/1); light clay; subplastic; moderate coarse prismatic, parting to coarse subangular blocky structure; strong consistence dry; moderately sticky consistence wet; very few (<2%) hard carbonate segregations; pH 8.8.
B22
25–50
Dark grey (5Y4/1); heavy clay; subplastic; moderate coarse prismatic breaking down to coarse subangular blocky structure; strong consistence dry; moderately sticky consistence wet; very few (<2%) hard carbonate segregations; pH 9.0.
B23
50–85
Dark grey (5Y4/1); heavy clay; subplastic; moderate coarse prismatic, parting to coarse subangular blocky structure; strong consistence dry; moderately sticky consistence wet; very few (<2%) hard carbonate segregations; pH 9.4; sharp and wavy boundary to:
B24
85–115
Grey (5Y5/1); heavy clay; plastic; coarse lenticular structure (slickensides); strong consistence dry; moderately sticky consistence wet; very few (<2%) hard carbonate segregations; pH 9.6.
B25
115–140
Grey (5Y5/1); heavy clay; plastic; coarse lenticular structure (slickensides); strong consistence dry; moderately sticky consistence wet; very few (<2%) hard carbonate segregations; pH 9.6; gradual boundary to:
B31
140–180
Pale olive (5Y6/3); heavy clay; plastic; coarse lenticular structure (slickensides); pH 9.7.
Management considerations
  • Cracking clay profile, very high clay percentage
  • Alkaline throughout soil
  • Friable self mulching surface
  • Very high calcium percentage in surface and upper and mid subsoil (to 90cm)
  • Yellow hue profile(5Y) and lighter coloured deep subsoil, poorer internal drainage
  • Subsoil is strongly sodic and salinity increases at depth, particularly below 50cm
  • Very strong consistence when dry, implications for compaction and implement use
  • Landform element, plain: poor site drainage
Site
WIA11
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
8.6
NA
0.21
0.01
22.7
11.7
2.1
1.2
NA
2.1
39.9
23.5
3
12
10
73
B21
10–25
8.8
NA
0.19
0.01
21.8
12.2
1.7
2.2
NA
1.8
40.2
23.9
3
10
8
78
B22
25–50
9
NA
0.18
0.03
18.9
14
1.8
4.8
NA
2.5
NA
27.1
2
11
8
78
B23
50–85
9.4
NA
0.36
0.03
12.7
14.5
1.9
8.1
NA
NA
NA
27.9
3
14
8
73
B24
85–115
9.6
NA
0.62
0.05
7
14.5
1.9
12
NA
NA
NA
28.7
2
11
9
73
B25
115–140
9.6
NA
0.78
0.08
5.1
14.1
1.9
14.3
NA
NA
NA
27.3
2
12
11
73
B31
140–180
9.7
NA
0.84
0.07
NA
NA
NA
NA
NA
NA
NA
26.5
2
11
13
72
B32
180–215
9.6
NA
0.97
0.12
NA
NA
NA
NA
NA
NA
NA
27.9
1
12
13
71
Note: NA=not assessed
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