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Profile Number 49

Laboratory number: 0967A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 49Profile Description
Site number:485A10-2 cmDark brown (10YR 3/3) sandy loam; weak crumb structure; rough-ped fabric; slightly hard when moist; 5% quartz gravel up to 15 mm; pH 4.5; gradual boundary
Classification:Northcote (1979) – Dy3.21
Stace et al (1972) - Soloth
A22-20 cmDark greyish brown (10YR 4/2) sandy clay loam; apedal; earthy fabric; very hard when dry; 20% quartz gravel up to 20 mm; pH 5.0; abrupt boundary
Location:Bairnsdale 8422, grid ref. 803114
8 km NW of Lakes Entrance
B2120-60 cmYellowish brown (10YR 5/6) heavy clay; abundant distinct greyish brown (>15 mm) and common prominent reddish brown (5-15 mm) mottles; moderate medium (10 mm) angular blocky structure; smooth-ped fabric; firm when moist; 5% quartz gravel up to 15 mm; pH 5.5; gradual boundary
Land system, component: Westbury 1, 2B2260-100 cmDark brown to brown (10YR 4/3) medium clay; greyish brown (3 mm) and common distinct reddish brown (5-15 mm) mottles; weak coarse (20 mm) angular blocky structure; smooth-ped fabric; very firm when moist; 5% quartz gravel up to 15 mm; pH 6.0; clear boundary
Topography:Crest slope of hill, NW aspect 10% gradientC100-150 cmDark brown to brown (10YR 4/3) sandy clay; common prominent reddish brown (5-15 mm) and common distinct greyish brown (>15 mm) mottles; weak coarse (30 mm) angular blocky structure’ smooth-ped fabric; very firm when moist; 2% quartz gravel up to 5 mm; pH 6.5
Elevation:60 m
Drainage:Poor
Parent material:Tertiary and Pleistocene fine-textured sediments
Vegetation:Open forest II: Eucalyptus bosistoana, E. cypellocarpa and E. globoidea
LABORATORY ANALYSES 967
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

%
A2
2-10
L
33
35
41
14
11
5.1
45
0.005
A2
10-20
35
31
19
12
6.2
B21
20-30
C
37
27
34
9
32
47
20
27
13
5.9
90
0.008
B22
60-90
C
20
28
26
11
37
5.9
380
0.042
C
100-120
C
15
17
23
13
48
5.8
510
0.066
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
A2
2-10
13
0.065
26
0.5
4
80
0.006
0.07
0.3
0.5
0.2
0.2
8.6
3
6
2
2
87
A2
10-20
B21
20-30
0.56
0.041
18
1.6
2
60
0.004
0.14
0.1
3.0
0.2
0.8
11.6
1
26
2
7
65
B22
60-90
2.5
0.004
0.18
0.1
5.6
0.08
2.5
13.3
1
42
1
19
37
C
100-120
2.7
0.006
0.26
0.08
6.5
0.2
3.3
14.6
1
45
1
23
30
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