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DOAGW15

WLRA - soil pit DOAGW15- landscape
Vine establishment on Alluvial Plain
    Site Code
DOAGW15


    Location

Great Western, western Victoria

    Landform

Gently undulating plain

    Geology

Devonian Granodiorite : adamellite and diorite

    Element

Valley flat
Horizon
Depth (cm)
Description

A1

0–10

Brown (10YR4/3) sandy clay loam; massive (structureless) strong consistence (dry), slightly friable (moist); few amounts of fine and medium quartz; pH 6.3; sharp boundary to:

A2

10–50

Very pale brown (10YR7/3) conspicuously bleached (10YR8/2d) sandy loam; massive (structureless); strong consistence (dry), friable (moist), non-plastic and non-sticky (wet); light to moderate amounts of fine and medium quartz; water seepage at about 45-50cm; pH 6.8; sharp boundary to:

B1

50-90

Brownish yellow (10YR6/8) with very pale brown (10YR7/4) and yellowish red (5YR5/6)mottles; sandy clay; moderate medium parting to fine angular blocky structure; smooth ped-fabric; very firm consistence (dry), friable (moist); few to common fine quartz; pH 6.3; clear boundary to:

B2

90-120

Light brownish grey (2.5Y6/2) with red (2.5YR4/6) and strong brown (7.5YR5/6) mottles; heavy clay with some sand; moderate medium parting to fine angular blocky structure; smooth ped-fabric; very firm consistence (dry), moderately friable (moist); few to common fine and medium quartz; some gleying; pH 6.0.
Management considerations
  • Texture contrast soil, slightly acidic
  • Poor structure, can restrict air and water movement
  • Sand throughout profile, relatively deep subsurface horizon, less physical impedance to roots
  • Mottled subsoil is often an indication of poor profile drainage, particularly at depth
  • Relatively low nutrient availability, particularly in subsurface soil
  • Landform element, valley flat; poor site drainage
Site
DOAGW15
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
%
Ca
%
Horizon
H2O
CaCl2
A1
0–10
6.3
NA
0.04
NA
2.6
1.9
1.1
0.4
0.1
9.0
20.7
8.1
NA
NA
NA
NA
A2
10–50
6.8
NA
0.01
NA
NA
0.7
0.6
0.1
0.1
1.4
9.4
2.7
NA
NA
NA
NA
B1
50-90
6.3
NA
0.03
NA
NA
0.4
2.0
0.2
0.2
3.2
13.7
7.9
NA
NA
NA
NA
B2
90-120
6.0
NA
0.07
NA
NA
0.4
3.9
0.2
0.8
10.1
26.8
18.0
NA
NA
NA
NA

Note: NA=not assessed
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