Profile Number 55

Laboratory number:	0990	Profile Description
Site number:	660	O₂	5-0 cm	Black decayed organic matter, loamy texture; pH 3.5; clear boundary
Classification:	Northcote (1979) – Dr3.21 Stace et al (1972) – Red Podzolic Soil	A₁	0-9 cm	Dark brown (10YR 4/3) sandy loam; apedal; earthy fabric; friable when moist; 2% charcoal fragments up to 5 mm, pH 5.0; gradual boundary
Location:	Bairnsdale 8422, grid ref. 832240 10 km E of Bruthen	A₂	9-32 cm	Strong brown (7.5YR 5/6) sandy loam; apedal; earthy fabric; friable when moist; 1% charcoal fragments up to 15 mm; 1% ferruginous nodules up to 10 mm; pH 5.5; abrupt boundary
Land system, component:	Westbury 1, 1	B₂	32-110 cm	Yellowish red (5YR 5/8) medium clay; common distinct red (5-15 mm) mottles in lower half of B₂, becoming more abundant with depth; moderate medium (15 mm) angular blocky structure; smooth-ped fabric; firm when moist; pH 6.0; gradual boundary
Topography:	2% slope facing N on edge of plateau remnant	B₃	110-135 cm	Yellowish red (5YR 5/8) medium clay; abundant distinct red (5-15 mm) and common distinct grey (>15 mm) mottles; moderate medium (15 mm) angular blocky structure; smooth-ped fabric; firm when moist; pH 6.0; gradual boundary
Elevation:	165 m	C	135-150 cm	Light brownish grey (10YR 6/2) medium clay; abundant prominent red and common distinct yellowish brown (5-15 mm) mottles; moderate angular blocky structure; smooth-ped fabric; pH 5.4.
Drainage:	Moderate
Parent material:	Tertiary unconsolidated fine-textured sediments
Vegetation:	Regenerating after logging. Open forest II: Eucalyptus globoidea and E. sieberi, Pteridium esculentum, Daviesia latifolia and Acacia myrtifolia common in understorey. Herb layer sparse.

LABORATORY ANALYSES 990
Horizon	Sample Depth cm	Lab. texture	Particle size distribution					Atterberg limits				1:5 soil water suspension			Clay mineralogy by x-ray diffraction
Horizon	Sample Depth cm	Lab. texture	Gravel %	Coarse sand % f.e.	fine sand % f.e.	Silt % f.e.	Clay % f.e.	liquid limit %	plastic limit %	plasticity index %	linear shrinkage %	pH	EC 25°C µS/cm	Cl- %	Depth cm	Composition %
O2	5-0	SL	14	22	19	9	13					4.6	34	0.002
A1	0-9	SL	1	32	43	10	12					5.3	30	0.002
A2	20-30	L	0	29	42	12	12					5.4	26	0.001
B2	32-60	C	5	19	25	8	43					5.6	30	0.001
B2	60-90	C	4	8	10	3	73					5.7	37	0.003
B2	90-110	C	1	8	10	4	69					5.4	49	0.005
B3	110-120	C	<1	9	12	5	66					5.2	54	0.006
C	135-150	C	1	13	18	4	60					4.9	59	0.007

Horizon	Sample Depth cm	Org. C %	Total N %	1.3C N	Free Fe₂O₃ %	Available		HCl extract		Exchangeable cations
						P ppm	K ppm	P %	K %	Ca	Mg	K	Na	CEC	Ca % of CEC	Mg	K	Na	H
						P ppm	K ppm	P %	K %	Milliequivalents/100g				CEC	Ca % of CEC	Mg	K	Na	H
O2	5-0	9.4	0.38	32		14	200	0.008	0.04	0.5	0.5	0.6	0.4	88.4	1	1	1	<1	97
A1	0-9	1.4	0.056	33	1.0	6	40	0.004	0.01	0.2	0.4	0.1	0.2	13.4	2	3	1	2	92
A2	20-30				1.5	3	40			0.07	0.3	0.1	0.1	11.8	1	3	1	1	94
B2	32-60
B2	60-90				4.2	3	30	0.005	0.03	0.3	6.8	0.1	0.7	24.7	1	28	<1	3	68
B2	90-110				7.0					0.1	6.3	0.1	0.7	26.8	<1	24	<1	3	72
B3	110-120									0.07	5.2	0.09	0.6	23.7	<1	22	<1	3	74
C	135-150									0.2	3.4	0.05	0.5	22.0	1	15	<1	2	82

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