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BD12

BD12 landscape
Gently undulating plain

    Site Code
BD12


BD12 profile
Melanic, Subnatric, Brown Sodosol
    Location
Elaine
    Landform
Gently undulating plain
    Geology
Quaternary basalt
    Element
Hillslope
    Slope
4–7%
Horizon
Depth (cm)
Description

A1

0–38

Dark brown (7.5YR3/2); sandy loam; strong structure;
friable; pH 6.0; sharp boundary to:

A2

38–50

Pale brown (10YR6/3); sandy clay loam; moderate structure; friable; pH 6.5; sharp boundary to:

B2


50–100+


Yellowish brown (10YR5/4) with few red
mottles; medium to heavy clay; weak structure; pH 7.5.

Management considerations

The grey basaltic loam is suited to growing pastures, but can be used quite successfully for growing cereal crops, oilseed and peas, especially in the drier areas or in dry seasons in the wetter areas.


Summer fodder crops grow very well because of the good moisture retention of this soil. Autumn growth on the grey soil is slow and winter growth poor (compared with red or sandy soils), but spring growth is excellent and continues later into the spring than on the red or sandy soils.

Potatoes can be grown satisfactorily, especially with irrigation, but must be dug in autumn to avoid winter waterlogging.

In some situations (the drier ‘banks’) lucerne will survive and grow well, but usually this grey soil becomes too wet in winter for lucerne.

Analytical data

Site BD12
Sample
depth
pH
EC
NaCl
Ex Ca
Ex Mg
Ex K
Ex Na
Ex Al
Ex Acidity
FC
–10kPa
PWP
–1500kPa
KS
FS
Z
C
Horizon
cm
H2O
CaCl2
dS/m
%
cmolc/kg
cmolc/kg
cmolc/kg
cmolc/kg
mg/kg
cmolc/kg
%
%
%
%
%
%
A1
0–10
5.9
4.7
<0.05
N/R
1.2
2.0
0.1
0.34
26
N/R
N/R
N/R
N/R
N/R
N/R
N/R
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