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OTR424

OTR424 landscape
Moonlight Heads
    Site Code
OTR424



Bleached, Eutrophic, Grey Kurosol
    Location
Wattle Hill
    Landform
Hills
    Geology
Cretaceous Eumeralla Formation
    Element
Hillslope – mid slope
    Slope
N/R
    Aspect
North–westerly
Horizon
Depth (cm)
Description
A110–8Black (10YR2/1); fine sandy loam; crumb structure; clear wavy boundary to:

A128–15Very dark greyish brown (10YR3/2); sandy loam; weak subangular blocky structure; occasional angular sandstone, clear wavy boundary to:

A215–30Yellowish brown (10YR5/6); fine sandy clay loam; very weak subangular blocky structure; occasional angular sandstones; clear boundary to:

B230–60Dark greyish brown (10YR4/2); heavy clay; strong subangular blocky structure (1 mm); occasional angular sandstones; gradual irregular boundary to:

B360–90Dark greyish brown (10YR4/2); fine sandy clay; moderate angular blocky structure; discontinuous layers of decomposing rock; gradual irregular boundary to:

C90+Weathering dipping beds of sandstones and mudstones with thin lenses of dark greyish brown (10YR4/2) clay down joint plains.
Management considerations
Strong texture contrast between the surface soil (sandy loam) and the subsoil (heavy clay) may reduce and/or redirect the internal drainage and restrict root growth beyond the upper horizons. Acidic subsoils generally occur on acidic parent material or where there has been sufficient leaching of the soil. These subsoils affect nutrient availability, creating a nutrient imbalance and the potential for aluminium and manganese toxicity. Deficiencies of calcium, potassium and molybdenum are likely.

Analytical data
Site OTR424
Sample
depth
pH
EC
NaCl
Ex Ca
Ex Mg
Ex K
Ex Na
Ex Al
Ex acidity
FC
(-10kPa)
PWP
(-150kPa)
KS
FS
Z
C
Horizon
cm
H2O
CaCl2
dS/m
%
cmolc/kg
cmolc/kg
cmolc/kg
cmolc/kg
mg/kg
cmolc/kg
%
%
%
%
%
%
A11
0-8
5.4
N/R
0.280
0.025
8.5
4.3
0.9
0.6
N/R
N/R
N/R
N/R
6
45
20
21
A12
8-15
5.5
N/R
0.220
0.021
5.9
3.4
0.6
0.5
N/R
N/R
N/R
N/R
7
48
22
17
A2
15-30
5.8
N/R
0.160
0.014
7.7
5.0
0.8
0.6
N/R
N/R
N/R
N/R
3
41
20
33
B2
30-60
5.2
N/R
0.140
0.014
5.0
8.8
0.8
1.1
N/R
N/R
N/R
N/R
2
34
20
45
B3
60-90
5.2
N/R
0.130
0.014
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
4
48
13
33
C
90-185
5.3
N/R
0.160
0.015
1.4
13.8
0.7
1.7
N/R
N/R
N/R
N/R
2
47
16
33
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