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Profile Number 61

Laboratory number: 0947A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 61Profile Description
Site number:394A10-3 cmVery greyish brown (10YR 3/2) sandy loam; weak fine (3 mm) crumb structure; earthy fabric; soft when dry; common large and fine roots; pH 6.0; abrupt smooth boundary
Classification:Northcote (1979) – Dy3.21
Stace et al (1972) - Soloth
A23-15 cmDark greyish brown (10YR 4/2) loamy sand; common faint yellowish brown (5-15 mm) mottles; apedal; earthy fabric; hard when dry; common large and fine roots; pH 5.0; abrupt smooth boundary
Location:Stratford 8322, grid ref. 063051
Roadside verge, 8 km N of Stratford
B2115-30 cmDark greyish brown (10YR 4/2) medium clay; abundant distinct yellowish brown (>15 mm) mottles; strong medium (10 mm) subangular blocky structure; smooth-ped fabric; very firm when moist; 2% fine quartz gravel up to 5 mm; common roots; clear smooth boundary
Land system, component: Redgum 2, 1B2230-120 cmYellowish brown (10YR 5/6) heavy clay; abundant prominent reddish brown and grey (>15 mm) mottles; moderate medium subangular blocky structure; smooth-ped fabric; firm when moist; 2% ferruginous nodules up to 10 mm; common roots; pH 5.0; clear smooth boundary
Topography:Pleistocene alluvial terrace, 0% slopeC120-150 cmBrownish yellow (10YR 5/8) sandy clay; abundant prominent reddish brown (>15 mm) mottles; apedal; smooth-ped fabric; firm when moist; 80% quartz gravel up to 40 mm; pH 5.0
Elevation:60 m
Drainage:Poor
Parent material:Pleistocene fine-textured alluvium
Vegetation:Regenerating after clearing; grassy open forest II: Eucalyptus tereticornis
Remarks:Monolith taken
LABORATORY ANALYSES 947
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

%
A1
0-3
L
1
19
33
13
15
5.9
210
0.018
60-90
Mica 5;
Kaolinite 60;
Illite 35
A2
3-10
2
18
12
6
3
A2
10-15
L
3
29
39
18
12
5.3
38
0.004
B21
15-20
C
3
20
26
12
40
5.6
65
0.005
B22
60-90
C
1
23
27
6
42
4.7
270
0.031
B22
90-120
C
1
8
35
11
44
57
15
42
16
4.6
420
0.051
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
A1
0-3
11.6
0.76
20
0.5
54
320
0.032
0.099
11.0
4.4
0.8
0.6
31.0
35
14
3
2
46
A2
3-10
A2
10-15
0.54
0.043
16
1.8
4
20
0.006
0.056
0.3
0.69
0.06
0.3
8.0
4
11
1
4
80
B21
15-20
0.58
0.063
12
3.5
5
40
0.006
0.16
0.2
4.8
0.2
1.5
19.2
1
25
1
8
65
B22
60-90
2.8
0.004
0.21
0.1
4.4
0.2
3.4
17.8
1
25
1
19
54
B22
90-120
2.7
0.004
0.33
0.1
5.9
0.2
4.6
20.1
<1
29
1
23
47
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