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Profile Number 13

Laboratory number: 0951A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 13Profile Description
Site number:398A10 - 22 cmDark reddish brown (2.5YR 2/4) light clay; strong fine (5 mm) angular blocky structure; rough-ped fabric; friable when moist; abundant roots, 2% quartz up to 20 mm, 10% limestone fragments up to 10 mm, some (lag) sandstone and sharp gravel; pH 7.0; clear boundary
Classification:Northcote (1979) - Uf5.31
Stace et al. (1972) - Terra Rossa
B222 - 80 cmRed (2.5YR 4/6) heavy clay; strong fine (5 mm) angular blocky structure; smooth-ped fabric; firm when moist; common roots, 1% quartz gravel up to 100 mm; pH 7.5; gradual boundary
Location:Bairnsdale 8422, grid ref. 558158 Road cutting 3 km N of BairnsdaleB380 - 90 cmRed (2.5YR 4/6) medium clay; strong fine (5 mm) angular blocky structure; friable when moist; common roots; pH 8.0
Land system, component: Salt Creek, 4C90+ cmNot described, pH 8.5
Topography:Mid-slope of low hill, 14% gradient
Elevation:20 m
Drainage:Moderate
Parent material:Limestone
Vegetation:Cleared; Pteridium esculentum and mostly introduced grasses and herbs
LABORATORY ANALYSES 951
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

%
Al
B2
B3
0 - 10
30 - 60
80 - 90
C
C
C
2
4
6
7
2
7
37
8
10
14
3
9
38
86
72
86
33
53
17
6.3
6.8
7.5
130
65
210
0.008
0.005
0.006
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
Al
0 - 10
4.79
0.37
17
4.1
10
380
0.048
0.29
15.9
2.3
1.3
0.2
31.8
50
7
4
1
38
B2
30 - 60
5.8
0.030
0.53
27.3
1.8
0.5
0.5
44.6
61
4
1
1
33
B3
80 - 90
11.7
0.047
0.47
29.7
1.3
0.5
0.4
37.8
79
3
1
1
16
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