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OTR415

OTR415 landscape
Tussock grassland with diverse heath stratum
    Site Code
OTR415



Ceteric, Regolithic, Shelly Calcarosol
    Location
Cape Otway
    Landform
Steeply rolling dunes
    Geology
Quaternary (Holocene) aeolian sands
    Element
Dune - upper slope
    Slope
5%
    Aspect
Westerly
Horizon
Depth (cm)
Description
A1
0–15Black (10YR2/1); sandy loam; apedal single grain structure; clear boundary to:

B2
15–75Black (10YR2/1); loamy sand; very weak coarse (30 mm) subangular blocky structure; gradual boundary to:

C
75+Pale brown (10YR6/3); coarse sand; apedal single grain structure.
Management considerations
Gradational soil profiles allows water and gas (air) to move without physical limitations, but remains dependent on any chemical or depth restrictions. Deep sandy soils generally have poor plant water/nutrient holding capacities. These soils may be hydrophobic (in conjunction with organic coatings) when dried out, taking time to reabsorb moisture. These soils do however drain rapidly.

Analytical data
Site OTR415
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
%
%
%
%
%
%
A1
0-8
7.9
N/R
0.270
0.025
35.9
3.6
0.3
0.2
N/R
N/R
N/R
N/R
53
28
4
8
A1
8-15
8.0
N/R
0.230
0.023
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
B2
30-60
8.4
N/R
0.230
0.023
24.6
1.0
0.2
0.1
N/R
N/R
N/R
N/R
63
25
3
8
C
150-180
9.1
N/R
0.091
0.003
1.4
60.05
0.0
<0.05
N/R
N/R
N/R
N/R
85
12
1
2
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