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Profile Number 51

Laboratory number: 0958A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 51Profile Description
Site number:405A110-10 cmVery dark grey (10YR 3/1) sandy clay loam; weak fine (6 mm) subangular blocky structure; rough-ped fabric; firm when moist; abundant roots; pH 6.0; clear wavy boundary
Classification:Northcote (1979) – Dy3.21
Stace et al (1972) - Soloth
A1210-30 cmVery dark greyish brown (10YR 3/2) sandy clay loam; apedal, earthy fabric; very firm when moist; abundant roots; pH 6.0; clear wavy boundary
Location:Bairnsdale 8422, grid ref. 751084
Road cutting on Nungurner Road,15km W of Lake Entrance
B230-60 cmYellowish brown (10YR 5/4) heavy clay; abundant distinct dark brown (5-15 mm) and yellow (<5 mm) mottles; moderate coarse (30 mm) subangular blocky (almost primary columnar) structure; rough-ped fabric; hard when dry; common roots, abundant organic matter along root lines; pH 6.8; gradual wavy boundary
Land system, component: Westbury 1, 2B360-100 cmYellowish brown (10YR 5/6) sandy clay; abundant distinct grey (>15 mm) and reddish brown (5-15 mm) mottles; weak coarse (40 mm) angular blocky structure; rough-ped fabric; very hard when dry; few roots; pH 6.0; clear smooth boundary
Topography:Mid-slope of hill, NSW aspect, 5%slope C100-120 cmBrownish yellow (10YR 6/8) sandy clay loam; abundant distinct grey (>15 mm) mottles; apedal; earthy fabric; very hard when dry; pH 5.5.
Elevation:40 m
Drainage:Moderate
Parent material:Tertiary and Pleistocene fine-textured sediments
Vegetation:Cleared: grassland with scattered Eucalyptus tereticornis and E. bosistoana
LABORATORY ANALYSES 958
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
S/cm
Cl-

%
Depth

cm
Composition

%
A11
0-10
SL
5
33
41
8
12
4.8
59
0.005
A12
20-30
LS
2
33
45
11
9
5.7
26
0.002
B2
30-60
C
1
20
33
6
40
5.1
26
0.002
B3
60-90
SC
2
23
40
2
33
5.1
390
0.043
B3
90-100
SCL
1
26
43
7
22
5.1
400
0.043
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
A11
0-10
1.89
0.15
16
0.8
19
80
0.011
0.12
27
1.6
0.2
0.2
14.8
18
11
1
1
69
A12
20-30
0.68
0.046
19
0.8
2
40
0.007
0.12
1.3
2.4
0.1
0.3
9.2
14
26
1
3
56
B2
30-60
2.1
2.1
0.005
0.27
0.4
6.3
0.2
3.1
14.9
3
42
1
21
33
B3
60-90
1.6
1.6
0.004
0.27
0.3
5.6
0.1
3.5
13.6
2
41
1
26
30
B3
90-100
1.4
1.4
0.004
0.29
0.29
4.3
0.
2.8
9.9
2
43
1
28
26
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