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SW55

SW55 landscape
Convex land element on valley floor

    Site Code
SW55
SW55 profile
Melacic, Sesquic, Semiaquic PODOSOL

(topsoil has been removed at this site)

    Location
Cooriemungle road / Gallum road, tributary of Ross Creek, Heytesbury district
    Landform
Valley floor
    Geology
Transported Neogene Hanson Plain Sand and Gellibrand Marl
    Element
Crest of convex natural mound; remnant footslope or terrace.
    Slope
0
    Aspect
NE
Horizon
Depth (cm)
Description
A1
0-8Black (10YR2/1 moist, 10YR4/1 dry); sandy loam; weak medium (5-20 mm) polyhedral structure; weak consistence; abrupt and smooth boundary to:

A2
8-20 Dark greyish brown (10YR4/2 moist), conspicuously bleached (10YR8/1 dry); fine sandy clay loam; apedal; massive; weak consistence; abrupt and wavy boundary to:

B21s
20-50 Dark yellowish brown (10YR4/4 moist and 10YR6/8 dry); light sandy clay; massive; weak to firm consistence; clear and wavy boundary to:

B22s(h)
50-80 Brownish yellow (10YR6/6) and brown (10YR4/3); very dark grey (7.5YR3/1 moist) on exterior of peds and in root channels; medium heavy clay; coarse (20-50 mm) polyhedral, parting to fine medium (10-15 mm) polyhedral structure; firm consistence:

B23g
80+Grey (10YR5/1), yellowish brown (10YR5/6 moist) and red (2.5YR5/8 moist) mottles common in interior of peds; dark grey to black coatings on ped faces and in root channels; medium heavy clay; coarse (30-50 mm) blocky, parting to medium (10-20 mm) polyhedral structure.

Management considerations
Better drained surface than the majority of valley floor soils in this landform and so less prone to pugging by grazing animals. Subsoil subject to waterlogging. Compare this profile to SW56 for a variation in this type of soil and for chemical data.
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