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Profile Number 19

Laboratory number: 0955 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 19Profile Description
Site number:402A10 - 8 cmDark brown (7.5YR 3/2) fine sandy loam; weak fine to medium (1 - 5 mm) crumb structure; rough-ped fabric; soft when dry; mica; abundant roots; pH 5.5; clear smooth boundary
Classification:Northcote (1979) - Uc1.44
Stace et al. (1972) - Alluvial Soil
AC8 - 70 cmDark brown (7.5YR 3/2) fine sandy loam; apedal; earthy fabric; soft when dry; mica; pH 5.5; gradual smooth boundary
Location:Bairnsdale 8422, grid ref. 570100 3 km S of Bairnsdale EastIIA1 70 - 90 cmVery dark greyish brown (10YR 3/2) sand; apedal; earthy fabric; soft when dry
Land system, component: Delta, 2IIAC 90 - 150 cmDark brown (10YR 3/3) sand; apedal; earthy fabric; soft when dry; mica, 1% river gravel up to 200 mm; pH 5.8; clear smooth boundary
Topography:1% slope near crest of levee on Mitchell RiverIIIA1 150 - 180 cmVery dark grey (10YR 3/1) fine sandy clay loam; apedal; earthy fabric; soft when dry; pH 6.8
Elevation:20 m
Drainage:Good
Parent material:Holocene fine-textured alluvium
Vegetation:Cleared; introduced grasses, including Lolium perenne, Dactylis glomerata and Bromus catharticus, with occasional Acacia mearnsii
LABORATORY ANALYSES 955
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 - 8
SL
0
12
62
10
10
5.4
100
0.006
AC
30 - 60
LS
0
13
66
9
10
22
20
2
2.0
5.0
32
0.002
IIA1
70 - 90
LS
0
11
67
9
8
19
18
1
1.4
5.3
31
0.001
IIAC
90 - 120
SL
0
9
76
4
9
6.0
36
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
Al
0 - 8
2.22
0.23
13
1.0
88
480
0.044
0.26
2.7
1.9
1.2
0.2
13.9
19
14
9
1
57
AC
30 - 60
1.3
36
90
0.038
0.26
2.1
1.1
0.2
0.2
13.7
15
8
1
1
75
IIAI
70 - 90
1.2
38
80
0.040
0.22
2.0
1.3
0.2
0.3
10.8
19
12
2
3
64
IIAC
90 - 120
1.1
44
70
0.036
0.21
1.5
1.0
0.2
0.4
7.9
19
13
3
5
60
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