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LSWW22

WLRA - soil pit WW22- landscape
Red gum dominated valley at Harrow

WLRA - soil pit WW22- profile
Ferric, Subnatric, Red SODOSOL

    Location

Harrow, western Victoria

    Landform

Rise

    Geology

Cainozoic eluvial: duricrust, ferricrete developed on various rock types

    Element

Hillslope

Horizon
Depth (cm)
Description

A11

0–30

Brown (10YR4/3); sand (organic); massive (structureless); very weak consistence when dry; pH 5.8:

Ap

30–45

Uncemented discontinuous nodular ferricrete and manganiferous pan; brown (7.5YR4/3); sand; massive (structureless); very weak consistence when dry; abundant ferromanganiferous nodules; pH 6.1:

B21

45–150+

Dusky red (2.5YR4/4); light medium clay; strong medium polyhedral, parting to strong fine subangular blocky structure; pH 6.7.

Management Considerations

  • Strong texture contrast between surface (top)soil and subsoil
  • Sandy, acidic and hydrophobic surface soil, susceptible to sheet and rill erosion
  • Ferric (ironstone) pan, restrictive drainage, more lateral movement
  • Slightly acidic to neutral subsoil
  • Red subsoil indicates reasonable site drainage (movement of water and gas) given texture contrast nature of profile
  • Landform element is a hillslope, moderately well to well drained site drainage

Horizon
Depth (cm)
pH (water)
pH (CaCl2)
EC
dS/m
A11
0–30
5.8
4.7
<0.05
A12c
30–45
6.1
4.8
<0.05
B21
45–150+
6.7
5.6
0.2
CC BY 4.0 AU

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