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PPW3

Location: Leakes Road, Rockbank
Aust. Soil Class.: Haplic, Eutrophic, Red DERMOSOL
General Landscape Description: Midslope of 500 m east of summit of Mt Kororoit
Site Description: Grassland currently used for grazing

PPW1-3 Landscape
PPW1-3 Landscape


Soil Profile Morphology:

Surface Soil

A10-10 cmDark red (2.5YR4/6); fine sandy clay loam; moderate to strong fine granular structure; weak consistence (moist); pH 5.6; clear change to:
PPW3 profile
PPW3 Profile
Subsoil
B2110-25 cmDark red (2.5YR4/6); light clay; strong medium-fine-very fine blocky structure; weak consistence (moist); pH 6.6; clear change to:
B2225-40 cmDusky red (2.5YR4/4); light fine sandy clay; strong medium-fine-very fine blocky structure; weak consistence (moist); scoria (5-15 cm); few manganese flecks associated with scoria (2-5%); pH 7.5:
C40+ cmLayer of scoria and precipitated carbonate.

Key Profile Features:

Soil Profile Characteristics:

pH
Salinity Rating
Surface
(A1 horizon)
Moderately Acid
Low
Non-Sodic
Subsoil
(B21 horizon)
Slightly Acid
Low
Non-Sodic
Deeper subsoil
(at 25-40 cm)
Slightly Alkaline
Low
Non-Sodic

PPW3 graphs

Horizon
Horizon Depth
pH (water)
pH CaCl2
EC
1:5
NaCl
Exchangeable Cations
Ca
Mg
K
Na
Meq/100g
A1
0-10
5.6
5.1
0.28
0.03
8.0
3.6
4.7
0.4
B21
10-25
6.6
6.1
0.17
9.7
0.83
2.0
0.83
B22
25-40
7.5
7.0
0.18
12
1.1
1.6
1.1

Horizon
Horizon Depth
Ex Al
mg/kg
Ex Ac
meq/100g
Field
pF2.5
g/100g
Wilting Point
pF4.2
g/100g
Coarse Sand
(0.2-2.0mm)
%
Fine Sand
(0.02-0.2mm)
%
Silt
(0.002-0.02mm)
%
Clay
(<0.002mm)
%
A1
0-10
<10
16.2
25.7
20
19
14
40
B21
10-25
20.7
32.0
26
14
13
45
B22
25-40
21.1
34.4
28
13
11
43
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