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Profile Number 47

Laboratory number: 0999 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 47Profile Description
Site number:711A11 0-10 cmVery dark greyish brown (10YR 3/2) sandy clay loam; moderate subangular blocky structure; rough-ped fabric; hard when dry; pH 5.5; diffuse boundary
Classification:Northcote (1979) - Dy3.11
Stace et al. (1972) – Soloth
A1210-40 cmDark greyish brown (10YR 4/2) silty clay loam; common faint yellowish brown mottles (>15 mm); weak angular blocky structure; rough-ped fabric; very hard when dry; pH 5.0; gradual boundary
Location:Moe 8121, grid ref. 466554 4 km SW of ChurchillB2140-90 cmGreyish brown (10YR 5/2) heavy clay; abundant distinct yellowish brown mottles (5 - 15 mm); moderate angular blocky structure; smooth-ped fabric; firm when moist; gradual boundary
Land system, component: Anderson 2, 1B2290-110 cmYellowish brown (10YR 5/4) heavy clay; abundant prominent grey mottles (5 - 15 mm); moderate angular blocky structure; smooth-ped fabric; firm when moist; pH 5.5; clear boundary
Topography:Mid-slope of hill, 10% gradient C110-120+ cmBrownish yellow (10YR 6/6) heavy clay; common distinct red and yellow mottles (5 - 15 mm); common prominent light grey mottles (5 - 15 mm); strong angular blocky structure; smooth-ped fabric; firm when moist; pH 5.5; clear boundary
Elevation:80 m
Drainage:Moderate
Parent material:Tertiary fine-textured sediments
Vegetation:Scattered Eucalyptus obliqua, E. radiata and E. bridgesiana, with grassy understorey
LABORATORY ANALYSES 999
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 - 10
SiCL
9
4
22
30
33
5.3
86
0.007
Al2
20 - 30
SiCL
11
1
21
29
39
5.4
43
0.006
B21
40 - 60
C
24
1
12
15
69
5.1
88
0.011
B22
90 - 110
C
21
1
6
12
76
5.3
330
0.039
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 - 10
8.2
0.43
25
23
160
0.021
0.069
1.8
2.5
0.5
0.6
43.3
4
6
1
1
88
Al2
20 - 30
1.8
0.11
21
9
70
0.011
0.045
0.3
1.5
0.2
0.4
22.4
1
7
1
2
89
B21
40 - 60
3.6
0.4
4.4
0.2
1.1
22.5
2
20
1
5
72
B22
90 - 110
3.7
0.8
10.1
0.2
2.7
19.9
4
51
1
14
30
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