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QUA98 (Plot 1)

Site: QUA98 (Plot 1)Land Unit: Drumborg Basalt Hills
Aust. Soil Class.:

Soil pit Qua98 3 landscapeGeneral Land Unit Description:
This land unit consists of the undulating rises of Sugarloaf Hill and Sheaok Rise, north of Heywood. The soils consist of Red Dermosols and occasionally Kurosols on the crests and slopes of the rises. On the lower slopes and plains in between the rises, Ferric Brown Chromosols or Dermosols predominate. There are minor occurrences of Black Vertosols in local depressions. Here a two year old Eucalyptus globulus plantation exists on ex-agricultural land

Site Description:
Geology: Quaternary basaltLandform pattern: Undulating rises to low hills
Position in landscape: Lower slopeInternal drainage: Moderately well drained

Soil Profile Morphology

A10-20 cmDark brown (7.5YR3/3) clay loam, strong granular structure (5-10 mm), very weak consistence when moderately moist, common very fine macropores, areal porosity 0.5%, common medium roots. Clear and smooth transition to:Soil pit Qua98 1 profile
Subsoil
B120-40 cmReddish brown (5YR4/4) light clay, moderate granular structure (10-20 mm) parting to moderate granular structure (<2 mm), weak consistence when moderately moist, few medium ferruginous nodules, common fine macropores, areal porosity 0.5%, few fine roots. Gradual and smooth transition to:
B2140-70 cmStrong brown (7.5YR5/6) with common coarse distinct yellowish red (5YR4/6) mottles, light clay, moderate polyhedral structure (20-50 mm) parting to moderate granular structure (5-10 mm), firm consistence when moderately moist, common very fine macropores, areal porosity 0.4%, few fine roots. Diffuse and smooth transition to:
B2270-150 cmYellowish brown (10YR5/8) with many coarse distinct red (2.5YR4/6) mottles, light clay, moderate polyhedral structure (20-50 mm) parting to moderate granular structure (2-5 mm), firm consistence when moderately moist, few fine macropores, areal porosity 1.0%, few very fine roots.
150-410 cmhighly weathered vesicular basalt, root channels observed, odd root found at 350 cm, soils moderately moist, no impeding layer to roots, some rock starting at 410 cm.
Notes: few large macropores below 70 cm due to worm activity.
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