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Profile Number 29

Laboratory number: 0983 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 29Profile Description
Site number:573A10 - 4 cmDark reddish brown (5YR 3/3) stony loam; weak crumb structure; rough-ped fabric; slightly hard when dry; 15% bedrock fragments (10 mm); pH 5.0, clear boundary
Classification:Northcote (1979) - Gn2.11
Stace et al. (1972) - Lithosol - RedEarth intergrade
B21 4 - 30 cmYellowish red (5YR 4/6) stony clay loam; apedal; earthy fabric; slightly hard when dry; 15% bedrock fragments (10 mm); pH 5.5; clear boundary
Location:Maffra 8222, grid ref. 686450 5 kmSE of Sugarloaf B22 30 - 42 cmDark red (2.5YR 3/6) stony light clay; apedal; earthy fabric; slightly hard when dry; 15% bedrock fragments (10 mm); pH 5.0; clear boundary
Land system, component: Bulltown Spur, 1B342 - 55 cm Red (2.5YR 4/6) stony light clay; apedal earthy fabric; slightly hard when dry; 30% bedrock fragments (20 mm); pH 5.0
Topography:Upper slope of ridge, 30% gradient, SW aspect
Elevation:1020 m
Drainage:Good
Parent material:Sandstone and siltstone
Vegetation:Woodland I: Eucalyptus macrorhyncha, E. divesand E. mannifera with Cassinia longifolia, Prostanthera sp.and Platylobium formosum common in shrub layers.
Herb layer sparse — Poa sp., Stylidium graminifolium and Helichrysum semipapposum predominant
LABORATORY ANALYSES 983
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 - 4
10 - 20
30 - 42
SiL
SiL
C
47
43
43
13
12
11
30
30
24
29
30
22
17
20
43
4.4
4.6
4.7
110
35
26
0.003
0.002
0.001
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 - 4
6.1
0.25
32
2.2
11
280
0.018
0.19
0.2
0.2
0.8
0.2
43.0
<1
<1
2
<1
98
10 - 20
2.3
0.095
31
2.5
7
80
0.011
0.14
0.07
0.05
0.3
0.05
33.0
<1
<1
1
<1
99
30 - 42
3.6
6
60
0.017
0.24
0.07
0.3
0.3
0.08
24.7
<1
1
1
<1
98
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