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Profile Number 43

Laboratory number: 0933 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 43Profile Description
Site number:380A11 0 - 8cmVery dark greyish brown (10YR 3/2) clay loam; moderate fine (5 mm) subangular blocky structure; rough-ped fabric; friable when moist; abundant fine and large roots; pH 6.0; clear smooth boundary
Classification:Northcote (1979) - Gn4.51
Stace et al. (1972) – Wiesenboden
Al2 8 - 30 cmDark greyish brown (10YR 4/2) light clay; moderate fine (8 mm) subangular blocky structure; rough-ped fabric; friable when moist; abundant roots, 2% charcoal fragments up to 10 mm; pH 6.0; clear smooth boundary
Location:Moe 8121, grid ref. 186696 1 km SE of YarragonB21 30 - 78 cmDark greyish brown (10YR 4/2) medium clay; abundant distinct yellowish brown (5 - 15 mm) mottles; moderate coarse (20 mm) angular blocky structure; rough-ped fabric; very hard when moist; 8% ferruginous nodules up to 10 mm, 5% charcoal fragments up to 10 mm; pH 5.0; clear irregular boundary
Land system, component: Trafalgar, 1B22 78 - 144 cmBrown (10YR 5/3) heavy clay; abundant prominent reddish brown (>15 mm) mottles; large vertical cracks; moderate coarse (30 mm) angular blocky structure; rough-ped fabric; very hard when moist; 2% charcoal fragments up to 20 mm, 5% ferruginous nodules up to 20 mm; pH 5.0; wavy boundary
Topography:Colluvial apron, 1% slopeC144 - 180 cmPale brown (10YR 6/3) clay; abundant prominent reddish brown (>15 mm) mottles; apedal; earthy fabric; firm when moist; 5% ferruginous nodules up to 40 mm, 2% charcoal fragments up to 20 mm; pH 5.0
Elevation:100 m
Drainage:Poor
Parent material:Pleistocene-Holocene fine-textured colluvium
Vegetation:Cleared; introduced grasses with scattered Eucalyptus ovata and Acacia melanoxylon
Remarks:Monolith taken
LABORATORY ANALYSES 933
Horizon
Sample
Depth

cm
Lab.
texture
Particle size distribution
Atterberg limits
1:5 soil water suspension
Clay mineralogy by x-ray diffraction
Gravel

%
Coarse
sand
% f.e.
fine sand

% f.e.
Silt

% f.e.
Clay

% f.e.
liquid
limit
%
plastic
limit
%
plasticity
index
%
linear
shrinkage
%
pH
EC
25C
uS/cm
Cl-

%
Depth

cm
Composition

%
All
0 - 8
CL
14
15
32
22
26
5.6
92
0.006
Al2
20 - 30
SiCL
1
3
38
30
30
5.7
41
0.003
B21
30 - 60
SiCL
2
5
31
26
37
45
18
27
11
5.8
36
0.003
B22
90 - 120
C
2
3
29
23
45
5.5
50
0.005
C
150 - 180
L
6
7
48
22
24
5.4
110
0.011
Horizon
Sample
Depth

cm
Org. C


%
Total N


%
1.3C
N
Free
Fe2O3

%
Available
HCl extract
Exchangeable cations
P
ppm
K
ppm
P
%
K
%
Ca
Mg
K
Na
CEC
Ca
% of CEC
Mg
K
Na
H
Milliequivalents/100g
All
0 - 8
3.22
0.31
14
1.5
24
500
0.044
0.22
5.0
3.6
1.2
0.2
22.8
22
16
5
1
56
Al2
20 - 30
1.26
0.13
13
2.7
16
260
0.040
0.28
4.6
3.3
0.7
0.3
21.7
21
15
3
1
60
B21
30 - 60
2.4
0.031
0.31
5.6
5.1
0.4
0.7
23.8
24
21
2
3
50
B22
90 - 120
2.5
0.041
0.38
9.2
9.9
0.3
2.2
36.4
25
27
1
6
41
C
150 - 180
2.9
0.064
0.35
8.8
8.1
0.2
2.6
29.3
30
28
1
9
32
Horizon
Sample
Depth


cm
Bulk
Density


g/mL
Total
Porosity


%(V/V)
Volumetric water content
Calculated
macro-porosity

%(V/V)
field
capacity

%
wilting
point

%
calculated
available
water
%
All
0 - 8
1.03
61.2
47.4
21.3
26.1
13.8
Al2
20 - 30
1.33
49.9
37.1
20.3
16.8
12.8
B21
30 - 60
1.44
45.6
35.0
21.5
13.5
10.6
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