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WCSS09

Location: Mirranatwa

Australian Soil Classification: Bleached-Mottled, Eutrophic, Brown CHROMOSOL (thick surface horizon)
General Landscape Description: Rolling low hills - dissected Tertiary peneplain
Site Description: Grazing paddock – never limed. Paired catchment experimental site.

WCSS09 Landscape
WCSS09 Landscape


Soil Profile Morphology:

Surface Soil

A10-17 cm Very dark greyish brown (10YR3/2); loam; weak coarse to medium blocky, parting to moderate coarse to medium granular structure; very weak to weak consistence, dry; pH 5.8; clear change to:
WCSS09 Profile
WCSS09 Profile

WCSS09 Profile 2
Soil pit 2-3 m depth
A217-50 cmPale brown (10YR6/3), conspicuously bleached (10YR 7/1 dry); light fine sandy clay loam; massive ; firm (dry) consistence; fine to coarse macropores common; pH 6.1; clear change to:
Subsoil
B2150-90 cmYellowish brown (10YR5/6) with yellowish red (5YR 5/6) mottles and brown 10YR 4/3 cutans; medium clay; weak coarse prismatic, parting to strong coarse subangular blocky (dark faces), further parting to strong medium to fine polyhedral structure; shiny-faced peds; very firm to strong consistence (dry); few (2%) soft (2-3 mm) manganiferous segregations and ferromanganiferous nodules (2-3 mm size); surface material down cracks to 100 cm; pH 6.7; gradual change to:
B2290-130 cmYellowish brown (10YR5/6) with greyish brown (10YR5/2), grey (10YR6/1) and red (2.5YR4/6) mottles; heavy clay; weak medium prismatic, parting to strong medium to fine subangular blocky structure; shiny-faced peds; very firm to strong consistence (dry); pH 6.4; gradual change to:
B23130-150+ cmGrey (10YR6/1) with brownish yellow (10YR6/8) and red (2.5YR5/6) mottles; medium clay; strong coarse to medium subangular blocky structure; very few (<1%) ferromanganiferous nodules; pH 6.6.


Key Profile Features:

Soil Profile Characteristics:

-

pH
Salinity
Surface Soil
(A1 horizon)
Moderately Acid
Very Low
Non-Sodic
None
Subsoil
(50-90 cm)
Slightly Acid
Very Low
Non-Sodic
None
Deeper Subsoil
(130-150 cm)
Slightly Acid
Low
Non-Sodic
None


WCSS09 Graphs

Chemical and Physical Analysis:
Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
dS/m
Organic Carbon
%
Exchangeable Aluminium
ppm
Exchangeable Acididty
meq/100g
Exchangeable Cations
Coarse Sand
(0.2-2.0 mm)
%
Fine Sand
(0.02-0.2 mm)
%
Silt
(0.002-0.02 mm)
%
Clay
(<0.002 mm)
%
Field Capacity
% w/w
Wilting Point
% w/w
Ca
Mg
K
Na
meq/100g
A1
0-17
5.8
5.2
0.09
3.2
11
10
3.4
1.6
0.23
0.14
14
36
17
16
22.2
8
A2
17-50
6.1
5.1
<0.05
4
1.5
1.1
0.22
<0.05
16
49
16
14
18.3
4.4
B21
50-90
6.7
6.0
0.15
7.8
4.3
7
1.3
0.13
4
54
6
70
41.4
23.1
B22
90-130
6.4
6.0
0.36
6.6
3.2
7.2
0.94
0.08
4
15
9
66
41.7
23
B23
130-150+
6.6
6.1
0.45
5.5
2.3
6.4
1.3
0.07
9
26
11
52
58.9
18.3
300
5.7
5.4
0.83

Profile Described By: Mark Imhof and David Rees, 30th March 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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