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Profile Number 5

Laboratory number: 0985A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 5Profile Description
Site number:1033A11 0 - 10 cmBlack (10YR 2/1) organic sandy loam; strong medium crumb structure (3 mm); rough-ped fabric; friable when moist; 5% granodiorite fragments (15 mm); pH 6.0; gradual boundary
Classification:Northcote (1979) - Uc5.21
Stace et al. (1972) - Alpine Humus Soil
A1210 - 30 cmVery dark brown (10YR 2/2) organic sandy loam; strong crumb structure (2 mm); rough-ped fabric; friable when moist; 5% granodiorite fragments (15 mm); pH 5.8; gradual boundary
Location:Matlock 8122, grid ref. 404124
1.2 km E of Mount Saint Gwinear
A330 - 40 cmVery dark brown (10YR 2/2) sandy clay loam; strong medium crumb structure (2 mm); rough-ped fabric; friable when moist; 5% granodiorite fragments (15 mm); pH 5.8; clear boundary
Land system, component: Baw Baw, 1B340 - 50 cm Dark yellowish brown (10YR 3/6) gritty sandy clay loam; apedal; earthy fabric; friable when moist; 5% granodiorite fragments (35 mm); pH 5.8
Topography:Hillslope facing NE, 16% gradient
Elevation:1400 m
Drainage:Moderate
Parent material:Devonian granodiorite
Vegetation:Open heathland with Pultenaea muelleri, Helichrysum hookeri,
Poa australis and Deyeuxia monticola predominant
Remarks:2% surface rock
LABORATORY ANALYSES 985
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

%
0 - 10
20 - 30
30 - 40
40 - 50
L
L
L
S
5
5
8
28
41
40
39
57
16
20
23
35
16
16
16
4
23
18
16
3
5.2
5.0
5.1
5.2
73
34
32
27
0.005
0.002
0.002
0.002
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
0 - 10
10 - 30
30 - 40
40 - 50
6.6
5.2
0.39
0.30
22
23
26
14
12
180
60
70
0.040
0.039
0.036
0.031
0.07
0.06
0.07
0.34
0.2
0.06
0.09
0.06
0.2
0.06
0.09
0.06
0.6
0.3
0.3
0.2
0.07
<0.01
<0.01
<0.01
53.3
50.4
44.1
25.4
<1
<1
<1
<1
<1
<1
<1
<1
1
1
1
1
<1
<1
<1
<1
99
99
99
99
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