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VIT2

Location: Warrabilla
Aust. Soil Class: Vertic (& Sodic), Eutrophic, Red CHROMOSOL

VIT2 landscape
VIT2 Landscape


Soil Profile Morphology:

Surface Soil

A11
0-2 cm
Dark brown (7.5YR3/2); light fine sandy clay loam; firm to very firm consistence (dry); abrupt change to:
VIT2 profile
Vit2 profile
A12
2-12 cm
Dark brown (7.5YR3/3); with variable sporadic bleaching; light fine sandy clay loam; weak coarse subangular blocky; weak consistence (slightly moist); variable sporadic bleach; pH 6.3; abrupt change to:
Subsoil
B21
12-18 cm
Dusky red (2.5YR3/4); light medium clay; moderate - strong coarse to medium angular blocky; weak to firm consistence (slightly moist); pH 5.6; gradual change to:
B22
18-30 cm
Dusky red (2.5YR3/4); medium heavy clay; weak to moderate very coarse prismatic, parting to moderate coarse subangular blocky structure; firm consistence (moist); few (1-2%) manganese flecks; pH 6.1; gradual change to:
B23
30-50 cm
Yellowish red (5YR4/6); medium heavy clay; moderate coarse subangular blocky, parting to moderate very fine lenticular structure; firm to very firm consistence (moist); pH 8.3; gradual change to:
B24
50-60 cm
Yellowish red (5YR4/6); heavy clay; very firm consistence (moist); slickensides present.
Key Profile Features:
Soil Profile Characteristics:

pH
Salinity Rating
Sodicity
Dispersion
Surface
(A12 horizon)
Slightly Acid
Very Low
Non-Sodic
None
Subsoil
(B21 horizon)
Slightly Acid
Very Low
Non-Sodic
None1
Deeper subsoil
(at 30-50 cm)
Moderately Alkaline
Very Low
Sodic
Strong - Complete
1 Strong dispersion after remoulding

VIT2 graphs
VIT2 Aluminium graphs
Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC 1:5
Exchangeable Cations
Ca
Mg
K
Na
meq/100g
A11
0-2
A12
2-12
6.3
5.6
0.09
5.2
1.3
0.87
0.21
B1
12-18
5.6
4.7
0.09
4.2
3.1
0.88
0.50
B21
18-30
6.1
5.1
0.10
4.5
4.4
0.95
0.80
B22
30-50
8.3
7.3
0.15
6.9
8.2
1.2
11
B23
50-60

Horizon
Horizon Depth
(cm)
Exchangeable Aluminium
(mg/kg)
Exchangeable Acidity
(meq/100g)
Field Capacity
pF 2.5
Wilting Point
pF 4.2
Coarse Sand
(0.2-2.0 mm)
Fine Sand
(0.02-0.2 mm)
Silt
(0.002-0.02 mm)
Clay
(<0.002 mm)
A11
0-2
A12
2-12
<10
5.0
6
55
21
14
B1
12-18
43
7.3
4
40
19
36
B21
18-30
12
6.6
4
35
15
41
B22
30-50
2
27
19
50
B23
50-60

Management Considerations:

Subsoil (B) Horizon Notes
CC BY 4.0 AU

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

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