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Profile Number 48

Laboratory number: 0953Profile Description
Site number:400A10-5 cmVery dark greyish brown (10YR 3/1) organic sand; apedal; earthy fabric; soft when dry; abundant small roots; pH 4.5; abrupt smooth boundary; hydrophobic
Classification:Northcote (1979) - Dy3.21
Stace et al. (1972) - Yellow Podzolic Soil
A25-50 cmLight yellowish brown (10YR 6/4) loamy sand; few faint yellowish brown mottles (>5 mm); apedal; earthy fabric; hard when dry; abundant small roots; pH 5.5; abrupt smooth boundary
Location:Bairnsdale 8422, grid ref. 834203
Railway cutting, 12 km SE of Bruthen
B2150-80 cmYellowish brown (10YR 5/6) medium clay; common prominent reddish brown mottles (5 - 15 mm), abundant prominent grey mottles (>15 mm); strong medium angular blocky structure (20 mm); smooth-ped fabric; firm when moist; abundant small roots; pH 5.0; clear smooth boundary
Land system, component: Clifton, 2B2280-160 cmYellowish brown (10YR 5/8) medium clay; abundant prominent grey and reddish brown mottles (>15 mm); strong coarse angular blocky structure (30 mm); smooth-ped fabric; very firm when moist; 2% quartz gravel up to 40 mm; pH 5.0; abrupt smooth boundary
Topography:2% slope on plateau, NW aspect C160-180 cm Yellow (IOYR 7/8) sandy clay; abundant prominent reddish brown mottles (>15 mm); apedal; earthy fabric; hard when dry; pH 4.5
Elevation:120 m
Drainage:Good
Parent material:Tertiary sediments
Vegetation:Open forest II: Eucalyptus sieberi, E. globoidea and E. cypellocarpa and with Kunzea ericoides predominant in the shrub layer
Remarks:
LABORATORY ANALYSES 953
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

%
Al
0 - 5
LS
1
42
38
10
8
4.4
48
0.004
60 - 80
kaolinite 75;
A2
30 - 50
LS
2
42
40
9
7
13
12
1
0.8
4.9
17
0.001
montmorillonite
B21
60 - 80
C
2
12
12
2
71
100
29
71
23
4.4
34
0.002
(chloritized) 25
B22
80 - 90
2
4.4
33
0.002
160 - 180
kaolite 80;
B22
90 - 120
C
2
12
10
2
73
4.5
46
0.003
illite 20
C
160 - 180
C
1
36
12
11
38
5.0
51
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
Al
0 - 5
1.79
0.094
25
0.4
6
60
0.005
0.038
0.6
0.4
0.2
0.1
11.3
5
4
2
1
88
A2
30 - 50
0.3
0.002
0.01
0.1
0.2
0.04
0.1
2.1
5
10
2
5
78
B21
60 - 80
5.4
0.003
0.08
0.1
4.2
0.1
0.6
23.5
<1
18
<1
3
79
B22
80 - 90
0.3
4.1
0.2
0.5
23.9
1
17
1
2
79
B22
90 - 120
5.2
0.003
0.08
0.04
4.6
0.2
0.9
25.9
<1
18
1
3
78
C
160 - 180
3.5
0.003
0.10
0.1
3.7
0.1
0.9
18.6
1
20
1
5
73
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