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DOAGW2

WLRA - soil pit DOAGW2- landscape
Vine establishment on Alluvial Plain
    Site Code
DOAGW2


    Location

Great Western, western Victoria

    Landform

Undulating plain

    Geology

Quaternary Alluvium: gravel, sand and silt

    Element

Plain
Horizon
Depth (cm)
Description

A1

0–15

Brown (7.5YR5/4); loam, fine sandy; massive (structureless); hardsetting; very firm (dry); friable (moist); pH 6.2; sharp boundary to:

A2

15–35

Light reddish brown (5YR6/4) conspicuous bleached; loam, fine sandy; massive (structurless); hard setting; very firm (dry); friable (moist); pH 5.8; sharp boundary to:

B21

35–65

Yellowish red (5YR4/6); heavy clay; strong medium parting to fine angular blocky structure; smooth ped-fabric; very firm (dry); friable (moist); pH 6.8; gradual boundary to:

B22

65–100

Yellowish red (5YR5/6); fine sandy clay; strong fine and medium angular blocky structure; smooth ped-fabric; very firm (dry); friable (moist); pH 7.1.
Management considerations
  • Strong texture contrast soil,
  • Slightly acidic surface soil becoming neutral at depth
  • Sandy surface profile, slightly susceptible to sheet and rill erosion and limited nutrient availability
  • Internal drainage affected by subsoil texture, lateral flow likely
  • Poorly structured profile, subsoil grading into weathered parent material (rock)
  • Landscape position; midslope, moderately well drained site drainage
Site
DOAGW2
Sample depth cm
pH
EC
dS/m
NaCl
%
Organic Carbon
%
Ex Ca
cmol-/kg
Ex Mg
cmol-/kg
Ex K
cmol-/kg
Ex Na
cmol-/kg
Ex acidity
cmol-/kg
FC
-30okPa
PWP
-1500okPa
KS
%
FS
%
Z
%
C
%
Horizon
H2O
CaCl2
A1
0–15
6.2
NA
0.03
NA
1.1
0.6
0.3
0.3
0.1
4.4
16.5
3.7
NA
NA
NA
NA
A2
15–35
5.8
NA
0.1
NA
NA
0.3
0.1
0.1
0.1
0.9
13.5
2.3
NA
NA
NA
NA
B21
35–65
6.8
NA
0.04
NA
NA
3.5
3.2
0.4
0.2
5.4
24.8
14.8
NA
NA
NA
NA
B22
65–100
7.1
NA
0.03
NA
NA
1.8
3.6
0.3
0.2
3.8
23.6
11.3
NA
NA
NA
NA

Note: NA=not assessed
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