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WCSS01a

Location: Hamilton.

Australian Soil Classification: Eutrophic (& Ferric in some areas), Mottled-Subnatric, Brown SODOSOL

Site Description: Nitrous oxide trial site.

WCSS01-02 landscape
WCSS01-02 Landscape

Soil Profile Morphology:

Surface Soil

A10-9 cmDark brown (7.5YR3/2); fine sandy clay loam; moderate coarse blocky, parting to moderate to strong medium to fine subangular blocky structure; very firm consistence (dry); pH 5.3; clear and wavy change to:
WCSS01 profile
WCSS01 profile
A219-20 cmDark brown (7.5YR3/2) with light grey (10YR7/2) root mottling, some sporadic bleaching; fine sandy clay loam; moderate coarse to medium subangular block structure; weak to very firm consistence (moist); pH 5.3 (lab); clear and wavy change to:
A2220-50 cmPale brown (10YR6/3) conspicuously bleached; very fine sandy loam+; weak coarse to medium blocky structure; weak to very firm consistence (moist); pH 6.0 (lab); buckshot in nearby pockets; slight transition to B2; clear and wavy change to:
Subsoil

B2150-75 cmDark yellowish brown (10YR4/4) with abundant very coarse very dark grey (10YR3/1) and red (2.5YR4/6) mottled; medium clay; moderate to strong medium to weak subangular blocky structure; firm consistence (moist); pH 5.8 (lab); very few medium ferromanganiferous segregations; clear and wavy change to:
B2275-100 cmYellowish brown (10YR5/4) with abundant coarse red (2.5YR4/6) and light brownish grey (10YR6/2) mottles; medium clay; firm consistence (moist); pH 6.0; gradual change to:
B23100-130 cmYellowish brown with abundant grey (10YR5/1) mottles; medium clay; very firm (moist) consistence; pH 6.3 (lab); many medium ferromanganiferous segregations (20%); clear change.
B3130-150 cmWeak red (2.5YR5/2) with red (2.5YR5/4) mottles; medium heavy clay; strong medium to fine lenticular structure; strong consistence (moist); pH 6.5.
C150+ cmMedium clay; pH 6.0; weathered basalt.

Key Profile Features: Soil Profile Characteristics:


pH

Salinity Rating
Surface
(A1 horizon)
Strongly Acid
Non-sodic
None
Subsoil
(B21 horizon)
Moderately Acid
Very low
None 1
Deeper subsoil
(at 130-150 cm)
Slightly Acid
Very low
Strongly sodic
None
1 Strong dispersion after remoulding.


WCSS01 graphs<p>]
Horizon
Horizon
Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
ds/m
Organic Carbon
g/100g
Available
Aluminium
mg/kg
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A11
0-9
5.3
5.0
0.71
5.5
<10
6.4
2.7
0.34
0.1
A21
9-20
5.3
4.8
0.10
1.7
15
2.5
1.5
0.09
0.16
A22
20-50
6.0
5.0
0.09
13
1.9
5.9
0.09
1.0
B21
50-75
5.8
5.1
0.06
1.3
1.1
<0.05
0.15
B22
75-100
6
5.3
0.17
0.4
2
6.8
0.14
2
B23
100-130
6.3
5.6
0.27
2.1
6.1
0.1
1.9
B3
130-150
6.5
6.5
0.26
3.7
13
0.06
5.3

Horizon
Horizon Depth
(cm)
Exchangeable
Aluminium
mg/kg
Exchangeable
Acidity
meq/100g
Field
Capacity
pF2.5
Wilting
Point
pF4.2
Coarse Sand
(0.2-2.0mm)
Fine Sand
(0.02-0.2mm)
Silt
(0.002-0.02mm)
Clay
(<0.002mm)
A11
0-9
14
44
16.3
2
42
27
21
A21
9-20
7.4
28.2
7.4
6
44
32
17
A22
20-50
8.7
19.3
5.2
16
43
27
14
B21
50-75
3.5
30.4
16.2
10
31
18
42
B22
75-100
8.8
34.1
19
7
26
15
50
B23
100-130
<5
7.4
33.3
18.1
B3
130-150
<5
8.7
61.6
31
Profile Described By: Mark Imhof and David Rees (May 2010).
CC BY 4.0 AU

This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

The content is provided under the Creative Commons Attribution 4.0 Australia licence (CC BY 4.0 AU).

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