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Profile Number 73

Laboratory number: 0948A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 73Profile Description
Site number:395A10-22 cmVery dark grey (YR 3/1) sand; apedal; earthy fabric; soft when dry; abundant small roots; pH 5.7; abrupt wavy boundary
Classification:Northcote (1979) – Uc4.31
Stace et al (1972) - Podzol
A222-75 cmGreyish brown (YR 5/2) sand; apedal; sandy fabric; loose when dry; roots common; pH 4.3 increasing to pH 6.2 at depth; clear wavy boundary
Location:Stratford 8322, grid ref. 256033
20 km NE of Stratford
B2ir75-110 cmYellowish brown (10YR 5/8) sand; apedal; sandy fabric; loose when dry; roots common; gradual boundary
Land system, component: Perry 1B3100-150 cmBrown yellow (10YR 6/6) loamy sand; sandy fabric; soft when dry; few roots; pH 6.5; clear boundary
Topography:3% slope on ridge of sand duneIIB2ir150-207 cmBrownish yellow (10YR 6/6) loamy sand; apedal; sandy fabric; loose when dry; 20% ferruginous nodules up to 20 mm increasing to 20 – 80% between 20-40 mm; pH 6.5-7.0
Elevation:60 m
Drainage:Good
Parent material:Pleistocene aeolian sand
Vegetation:Woodland II: Eucalyptus globoidea with Banksia serrata, Pteridium esculentum, Perata cylindrica and Montoca scoparia are predominant species of the understorey
LABORATORY ANALYSES 948
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

%
0-10
S
0
36
58
3
4
5.2
20
0.001
22-30
S
0
37
61
1
1
4.6
8
0.001
60-75
S
0
36
62
1
1
4.9
5
0.001
75-90
S
0
29
66
2
3
5.1
11
0.001
110-120
S
0
30
68
<1
2
5.7
7
0.001
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
0-10
1.02
0.046
29
0.2
2
10
0.003
0.031
1.4
0.5
0.1
0.1
5.8
24
9
2
2
63
22-30
0.25
0.019
17
0.1
1
3
0.001
0.010
0.3
0.1
0.05
0.03
1.9
16
5
3
2
74
60-75
0.07
0.007
13
0.2
3
1
0.001
0.015
0.2
0.06
0.02
0.09
0.6
33
10
3
15
39
75-90
0.23
0.011
27
0.6
1
<1
0.003
0.027
0.3
0.1
0.06
0.04
3.7
8
3
2
1
86
110-120
0.3
2
<1
0.002
0.020
0.3
0.1
0.04
0.03
2.8
11
4
1
1
83
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