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Profile Number 71

Laboratory number: 0965A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 71Profile Description
Site number:483A10-20 cmVery dark greyish brown (10YR 3/2) loamy sand; apedal; earthy fabric; soft when dry; pH 5.5; clear boundary
Classification:Northcote (1979) – Uc4.22
Stace et al (1972) - Podzol
A2120-40 cmDark greyish brown (10YR 4/2) sand; apedal; sandy fabric; soft when dry; pH 5.5; gradual boundary
Location:Stratford 8322, grid ref. 397950
2 km SW of Bengworden
A2240-75 cmYellowish brown (10YR 5/4) sand; apedal; sandy fabric; soft when dry; pH 6.0; gradual boundary
Land system, component: Barrier 1B21ir75-120 cmYellowish brown (10YR 5/6) sand; apedal; sandy fabric; soft when dry; pH 6.0; diffuse boundary
Topography:Crest slope of relict dune facing W, 5% gradientB22ir120-210 cmYellowish brown (10YR 5/6) sand; apedal; sandy fabric; soft when dry; 15% ferruginous concretions (30 mm); pH 6.5; clear boundary
Elevation:20 mC210+ cmYellowish brown (10YR 5/4) sand; common distinct reddish brown mottles; apedal; sandy fabric; soft when dry
Drainage:Good
Parent material:Pleistocene sand of marine origin
Vegetation:Cleared; predominantly Pteridium esculentum, Themeda australis and Sporobolus africanus with scattered Acacia mearnsii, Casuarina littoralis and Leptospermum sp
LABORATORY ANALYSES 965
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
0-10
SL
1
50
34
3
16
6.1
31
0.003
A21
30-40
SL
0
56
31
2
14
6.2
11
0.001
A22
60-75
S
0
53
42
3
2
6.3
14
0.001
B21ir
75-90
S
0
52
42
2
3
6.5
15
0.001
B22ir
90-120
S
0
53
41
3
3
6.7
17
0.001
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
0-10
1.8
0.12
20
0.3
5
120
0.006
0.038
3.6
0.8
0.3
0.04
9.0
40
9
3
<1
48
A21
30-40
0.002
0.023
0.7
0.2
0.04
0.03
1.6
44
13
3
2
38
A22
60-75
0.20
0.015
17
0.2
2
30
0.002
0.020
0.8
0.2
0.05
0.01
1.7
47
12
3
1
37
B21ir
75-90
0.17
0.013
17
0.4
2
30
0.002
0.019
0.8
0.2
0.05
0.01
2.0
40
10
3
1
56
B22ir
90-120
0.15
0.011
18
0.4
1
40
0.002
0.021
0.09
0.2
0.07
<0.01
2.0
45
10
4
<1
41
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