Your gateway to a wide range of natural resources information and associated maps

Victorian Resources Online

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).
Page top