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Profile Number 8

Laboratory number: 0970 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 8Profile Description
Site number:488All 0 - 20 cmBlack (10YR 2/1) loamy sand; apedal; earthy fabric; soft when dry; common roots; pH 6.0; clear smooth boundary
Classification:Northcote (1979) - Uc3.31
Stace et al. (1972) - Earthy Sand
Al220 - 45 cm Very dark grey (10YR 3/1) loamy sand; apedal; earthy fabric; very firm when moist; common roots; pH 4.0; clear wavy boundary
Location:Bairnsdale 8422, grid ref. 791127 10 km NW of Lakes EntranceA245 - 87 cmPale brown (10YR 6/3) clayey sand, sporadically bleached to light grey (10YR 7/2); apedal; very firm when moist; few roots to 60 cm; 2% charcoal up to 3 mm; pH 6.0 - 7.0; clear wavy boundary
Land system, component: Stockdale, 1IIBir 87 - 120 cmBrownish yellow (10YR 6/8) sandy clay loam; weak very fine (2 mm) angular blocky structure; smooth-ped fabric; very firm when moist; common prominent grey (>15 mm) mottles; pH 6.0; clear smooth boundary
Topography:Mid - slope of hill, N aspect, 8% gradientIIC 120 - 140 cmBrownish yellow (10YR 6/8) clayey sand; apedal; earthy fabric; firm when moist; pH 5.8
Elevation:60 m
Drainage:Good
Parent material:Tertiary coarse-textured aeolian sand
Vegetation:Woodland III: Eucalyptus globoidea, E. bridgesiana and E. cypellocarpa, Pteridium esculentum and Imperata cylindrica predominant understorey sp
Remarks:Leached iron compounds appear to have precipitated in the sandy clay loam layer below the A horizon.
LABORATORY ANALYSES 970
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

%
All
0 - 10
SL
4
51
24
7
15
5.9
48
0.004
Al2
30 - 45
S
4
63
24
6
4
5.2
22
0.002
A2
60 - 87
S
6
65
26
3
8
6.2
17
0.002
IIBir
90 - 115
SCL
14
52
19
7
21
5.8
170
0.015
IIC
120 - 140
SL
16
55
23
8
12
5.4
180
0.018
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
All
0 - 10
1.8
0.092
25
0.2
6
70
0.006
0.056
2.3
1.3
0.2
0.1
11.3
20
12
2
1
65
Al2
30 - 45
0.73
0.029
33
0.1
0.002
0.032
0.2
0.4
0.06
0.1
6.5
3
6
1
2
88
A2
60 - 87
0.13
0.006
28
0.1
1
20
0.002
0.011
<0.01
0.15
0.03
0.05
1.06
<1
14
3
5
78
IIBir
90 - 115
0.11
0.015
10
1.3
1
30
0.002
0.075
0.1
3.2
0.09
1.2
10.1
1
32
1
12
54
IIC
120 - 140
0.06
0.011
7
1.9
2
20
0.005
0.061
0.09
2.0
0.06
1.0
6.3
1
32
1
16
50
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