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Profile Number 58

Laboratory number: 1004A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 58Profile Description
Site number:708A110-15 cmBlack (10YR 2/1) clay loam; strong angular blocky structure (10 mm); rough-ped fabric; hard when dry; pH 5.0; gradual boundary
Classification:Northcote (1979) – Dr3.22
Stace et al (1972) – Non-calcic Brown Soil
A1215-20 cmDark brown (7.5YR 3/2) clay loam; weak angular blocky structure (5 mm); rough-ped fabric; hard when dry; pH 6.0; clear boundary
Location:Bairnsdale 8422, grid ref. 575124
Southern boundary of Bairnsdale East
A220-40 cmDark brown (7.5YR ) clay loam; apedal earthy fabric; very hard when dry; pH 6.0; clear boundary
Land system, component: Briagolong, 1A340-70 cmDark brown (7.5YR ) light clay; common faint reddish brown mottles (>5 mm), weak subangular blocky structure (20 mm); very hard when dry; pH 6.5; gradual boundary
Topography:4% slope of relict terraceB270-105 cmYellowish red (5YR 4/6) medium clay; abundant distinct reddish brown mottles (>15 mm), common prominent black mottles (5-15 mm); moderate angular blocky structure (20 mm); smooth-ped fabric; very hard when dry; pH 7.0; gradual boundary
Elevation:10 mC105-150+ cmReddish brown (5YR 4/4) light clay; common faint brown mottles (>5 mm); apedal; earthy fabric; hard when dry; pH 7.5
Drainage:Moderate
Parent material:Pleistocene fine-textured alluvium
Vegetation:Cleared, introduced grasses
Remarks:
LABORATORY ANALYSES 1004
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
L
7
5
47
22
22
5.7
88
0.001
A2
20-30
L
4
2
53
22
20
27
19
8
6.5
6.1
47
0.003
A3
40-60
L
1
3
57
21
19
19
13
6
4.0
6.8
24
0.001
B2
70-90
CL
3
3
45
15
33
37
16
21
11
7.2
80
0.010
C
120-150
CL
0
4
58
15
23
7.4
100
0.003
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
3.5
0.35
13
26
280
0.038
0.27
5.3
1.8
0.8
0.3
23.7
23
8
3
1
65
A2
20-30
1.6
0.14
15
1.4
11
60
0.026
0.21
4.7
1.4
0.2
0.2
15.7
30
9
1
1
59
A3
40-60
1.4
2.5
1.5
0.1
0.2
8.6
29
17
1
2
51
B2
70-90
2.8
2.6
4.5
0.2
1.1
13.5
19
33
1
8
39
C
120-150
2.0
3.8
0.07
1.4
9.3
22
41
1
15
21
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