EGC223

Location: Bonang

Australian Soil Classification: Acidic, Red DERMOSOL

Map Unit: Delegate
Previous Site Name: EG223

General Landscape Description: Rolling low hills
Site Description: Simple slope 2% south east
Land Use: Grazing
Native Vegetation: Wet forest
Geology: Palaeozoic sediments

Soils and landforms of Far East Gippsland - Delegate - EG223 landscape

Soil Profile Morphology:

Surface soil			Roadside exposure adjoining site; deep red soil.
A11	0 – 38 cm	Dark reddish brown (5YR3/2); clay loam; moderate to strong fine granular structure; weak consistence dry; pH 5.2; gradual change to:
A12	38 – 60 cm	Reddish brown (5YR3/3); clay loam; moderate fine granular structure; weak consistence moist; pH 5.1.

Soil Profile Characteristics:

-	pH	Salinity	Sodicity	Dispersion
Surface soil (A11 horizon)	Strongly Acid	Very Low	Non-sodic	None
Subsurface (A12 horizon)	Strongly Acid	Very Low	Non-sodic	None

¹ Slight dispersion after remoulding.

Chemical and Physical Analysis:

Horizon	Horizon Depth (cm)	pH (water)	pH (CaCl₂)	EC dS/m	Organic Carbon %	Total Nitrogen %	Exchable Alumminium ppm	Exchangeable Acididty meq/100g	Exchangeable Cations				Coarse Sand (0.2-2.0 mm) %	Fine Sand (0.02-0.2 mm) %	Silt (0.002-0.02 mm) %	Clay (<0.002 mm) %	Field Capacity % w/w	Wilting Point % w/w
									Ca	Mg	K	Na
									meq/100g
A11	0-20	5.2	4.3	<0.05	4.3	0.21	220	16	1.5	0.87	0.59	0.14	17	29	20	25	30.3	13.3
A12	40-60	5.1	4.3	<0.05	3.0	0.11	290	17	0.79	0.34	0.14	0.12	19	30	22	22	31.6	11.8

Profile Described By: Heather Adams, Julieanne Sargant, and Ian Sargeant, June 2009.

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