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MP37

Location: Walpeup

Australian Soil Classification: Sodic, Lithocalcic, Red CHROMOSOL medium, non-gravelly, sandy/clayey, moderate



MP37 landscape
MP37 Landscape


Soil Profile Morphology:

Surface Soil
A10-10 cmYellowish red (5YR4/6); loamy sand; weak coarse sub-angular blocky structure; rough fabric; loose consistence slightly moist; pH 7.5; abrupt change to:
NOTE: This horizon has spatial variation in texture, pH and EC.
MP37 profile
MP37 Profile
Subsoil
B2110-20 cmDark red (2.5YR4/8); light medium clay (silty); strong coarse sub-angular blocky structure; smooth fabric; very weak consistence moist; pH 8.0; clear change to:
B2220-35 cmDark red (2.5YR4/8); light medium clay; moderate coarse sub-angular blocky structure; smooth fabric; very weak consistence moist; pH 8.6; gradual change to:
B23k35-70 cmRed (2.5YR5/8); light clay; moderate coarse sub-angular blocky, breaking down to weak medium polyhedral structure; rough fabric; weak consistence moist; contains a few (2%) hard carbonates and a common (20%) amount of soft carbonates; pH 9.3; sharp and wavy change to:
C70+ cmCalcrete layer.


Soil Profile Characteristics:
pH
Salinity Rating
Surface
(A1 horizon)
Slightly Alkaline
Low
Sodic
__
Subsoil
(B21 horizon)
Moderately Alkaline
Very Low
Non Sodic
Moderate
Deeper Subsoil
(at 35-70 cm)
Very Strongly Alkaline
Low
Sodic
--


MP37 graphs

Horizon
Horizon Depth
(cm)
pH
(water)
pH
(CaCl2)
EC
1:5
NaCI
%
Exchangeable Cations
Total Nitrogen
%
Organic Carbon
%
Wilting Point
pF4.2
Coarse Sand
(0.2 - 2 mm)
Fine Sand
(0.02 - 0.2 mm)
Silt
(0.002 - 0.02 mm)
Clay
(<0.002 mm)
Ca
Mg
K
Na
meq/100g
A1
0-10
7.5
7
0.11
3.5
2.3
1.2
0.4
0.07
0.41
4.3
45
39
3
13
B21
10-20
8
7.4
0.05
7
4.7
1.2
0.4
10.2
31
28
6
39
B22
20-35
8.6
7.9
0.18
11
8.1
1.2
1
16.2
24
24
5
51
B23k
35-70
9.3
8.3
0.3
<0.05
9.2
10
1.4
3.3
18.9
20
16
2
57


Profile Described By: Mark Imhof and Nathalie Baxter (September 1996).
CC BY 4.0 AU

This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

The content is provided under the Creative Commons Attribution 4.0 Australia licence (CC BY 4.0 AU).

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