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Profile Number 35

Laboratory number: 0976 A study of the land in the Catchment of Gippsland Lakes - Vol 2 - Soil profile 35Profile Description
Site number:506A10 - 10 cmBlack (10YR 2/1) sandy loam; strong fine (<2 mm) crumb structure; rough-ped fabric; soft when dry; micaceous; abundant roots; pH 5.0; clear boundary
Classification:Northcote (1979) - Gn4.11 Stace et al. (1972) – KrasnozemB110 - 30 cmDark brown to brown (7.5YR 4/4) sandy clay loam; strong medium (3 mm) crumb structure; rough-ped fabric; soft when dry; micaceous; abundant roots; pH 6.0; gradual boundary
Location:Healesville 8022, grid ref. 953094
1.8 km NNE of The Bump, about 5 km ENE of Powelltown
B230 - 90 cmYellowish red (5YR 5/8) light sandy clay; moderate very fine to fine (5 mm) subangular blocky structure; rough-ped fabric; firm when moist; micaceous; 20% granite fragments up to 300 mm; abundant roots; pH 5.5; gradual boundary
Land system, component: Kirchubel, 2C90+ cmStrong brown (7.5YR 4/8) clayey sand; apedal; earthy fabric; very firm when moist; mostly rotten rock, quite micaceous; 8% granite fragments up to 300 mm; pH 5.7
Topography:Broad crest, 15% gradient
Elevation:620 m
Drainage:Good
Parent material:Devonian granodiorite or granite
Vegetation:Shrubby open forest II: Eucalyptus sieberi, E. obliqua and E. cypellocarpa with an understorey including Leptospermum sp., Phebalium squamulosum and Platylobium formosum
LABORATORY ANALYSES 976
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 - 10
LS
17
22
38
14
9
4.9
88
0.009
60 - 90
kaolinite
80; illite 20
B4
20 - 30
L
27
34
18
21
24
5.8
29
0.003
B2
30 - 60
33
63
35
28
14
B2
60 - 90
C
38
33
18
11
37
5.6
18
0.002
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 - 10
7.7
0.27
37
1.9
6
420
0.015
0.26
0.2
0.3
1.0
0.2
49.5
<1
1
2
<1
97
B1
20 - 30
3.2
0.15
28
3.4
4
160
0.009
0.07
0.1
0.06
0.7
0.2
33.5
<1
<1
2
1
97
B2
30 - 60
B2
60 - 90
3.5
0.012
0.10
<0.01
0.3
0.3
0.2
13.8
<1
2
2
1
95
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