LP80

WLRA - soil pit LP80- landscape
Lower alluvial terrace and river floodplain

Site Code

LP80

Bleached, Eutrophic, Red Chromosol

Location

Frenchmans, western Victoria

Landform

Terrace

Geology

Quaternary Shepparton Formation: fluvial silt, sand and minor gravel

Element

Flat

Horizon

Depth (cm)

Description

A11

0–12

Brown (7.5YR4/4) fine sandy loam; massive (structureless); weak consistence (moist); pH 5.3; clear boundary to:

12–25

Conspicuously bleached light fine sandy loam; massive (structureless); weak consistence (moist); pH 5.4; abrupt boundary to:

25–30

Yellowish red (5YR5/8) fine sandy clay loam; weak medium blocky structure; firm consistence (moist); pH 5.4; abrupt boundary to:

B21

30–45

Yellowish red (5YR5/8) medium clay; moderate medium blocky structure, parting to fine blocky structure; firm consistence (moist); pH 6.1; abrupt and wavy boundary to:

B22

45–65

Yellowish red (5YR4/6) medium heavy clay; weak coarse blocky structure, parting to moderate fine blocky structure; firm consistence (moist); pH 6.7; gradual boundary to:

B23

65–90

Strong brown (7.5YR5/6) medium clay; strong medium blocky structure, parting to fine blocky structure; firm consistence (moist); pH 7.0; gradual boundary to:

90+

Strong brown (7.5YR5/6) with (5YR5/6) and (2.5YR5/8) mottles; very fine sandy clay loam; weakly structured; very firm consistence (slightly moist); pH 7.3.

Management considerations

Strong texture contrast between surface (A) horizon and the upper subsoil (B21) horizon
Massive structured surface (A1 and A2)
Strongly acidic profile
Mottled subsoil (B3)

Site
LP80

Sample depth cm

EC
dS/m

NaCl
%

Ex Ca
cmol-/kg

Ex Mg
cmol-/kg

Ex K
cmol-/kg

Ex Na
cmol-/kg

Ex Al
mg/kg

Ex acidity
cmol-/kg

FC
-30^okPa

PWP
-1500^okPa

KS
%

FS
%

Z
%

C
%

Horizon

H₂O

CaCl₂

A11

0–12

5.3

4.3

0.05

1.3

0.4

0.3

<0.1

5.4

12–25

5.4

4.4

<0.05

0.4

0.1

0.2

<0.1

1.4

25–30

5.4

4.4

<0.05

1.8

0.7

0.4

<0.1

4.1

B21

30–45

6.1

5.3

0.05

3.7

1.9

0.6

0.1

B22

45–65

6.7

5.7

<0.05

5.1

3.4

0.7

0.1

B23

65–90

7.0

6.0

<0.05

4.4

3.7

0.6

0.2

90+

7.3

6.2

<0.05

2.5

1.9

0.3

0.1

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Lower alluvial terrace and river floodplain		Site Code	LP80	Bleached, Eutrophic, Red Chromosol
		Location	Frenchmans, western Victoria
		Landform	Terrace
		Geology	Quaternary Shepparton Formation: fluvial silt, sand and minor gravel
		Element	Flat

Horizon	Depth (cm)	Description
A11	0–12	Brown (7.5YR4/4) fine sandy loam; massive (structureless); weak consistence (moist); pH 5.3; clear boundary to:
A2	12–25	Conspicuously bleached light fine sandy loam; massive (structureless); weak consistence (moist); pH 5.4; abrupt boundary to:
B1	25–30	Yellowish red (5YR5/8) fine sandy clay loam; weak medium blocky structure; firm consistence (moist); pH 5.4; abrupt boundary to:
B21	30–45	Yellowish red (5YR5/8) medium clay; moderate medium blocky structure, parting to fine blocky structure; firm consistence (moist); pH 6.1; abrupt and wavy boundary to:
B22	45–65	Yellowish red (5YR4/6) medium heavy clay; weak coarse blocky structure, parting to moderate fine blocky structure; firm consistence (moist); pH 6.7; gradual boundary to:
B23	65–90	Strong brown (7.5YR5/6) medium clay; strong medium blocky structure, parting to fine blocky structure; firm consistence (moist); pH 7.0; gradual boundary to:
B3	90+	Strong brown (7.5YR5/6) with (5YR5/6) and (2.5YR5/8) mottles; very fine sandy clay loam; weakly structured; very firm consistence (slightly moist); pH 7.3.
Management considerations
Strong texture contrast between surface (A) horizon and the upper subsoil (B21) horizon Massive structured surface (A1 and A2) Strongly acidic profile Mottled subsoil (B3)