Profile Number 48

Laboratory number:	0953	Profile Description
Site number:	400	A₁	0-5 cm	Very dark greyish brown (10YR 3/1) organic sand; apedal; earthy fabric; soft when dry; abundant small roots; pH 4.5; abrupt smooth boundary; hydrophobic
Classification:	Northcote (1979) - Dy3.21 Stace et al. (1972) - Yellow Podzolic Soil	A₂	5-50 cm	Light yellowish brown (10YR 6/4) loamy sand; few faint yellowish brown mottles (>5 mm); apedal; earthy fabric; hard when dry; abundant small roots; pH 5.5; abrupt smooth boundary
Location:	Bairnsdale 8422, grid ref. 834203 Railway cutting, 12 km SE of Bruthen	B₂₁	50-80 cm	Yellowish brown (10YR 5/6) medium clay; common prominent reddish brown mottles (5 - 15 mm), abundant prominent grey mottles (>15 mm); strong medium angular blocky structure (20 mm); smooth-ped fabric; firm when moist; abundant small roots; pH 5.0; clear smooth boundary
Land system, component:	Clifton, 2	B₂₂	80-160 cm	Yellowish brown (10YR 5/8) medium clay; abundant prominent grey and reddish brown mottles (>15 mm); strong coarse angular blocky structure (30 mm); smooth-ped fabric; very firm when moist; 2% quartz gravel up to 40 mm; pH 5.0; abrupt smooth boundary
Topography:	2% slope on plateau, NW aspect	C	160-180 cm	Yellow (IOYR 7/8) sandy clay; abundant prominent reddish brown mottles (>15 mm); apedal; earthy fabric; hard when dry; pH 4.5
Elevation:	120 m
Drainage:	Good
Parent material:	Tertiary sediments
Vegetation:	Open forest II: Eucalyptus sieberi, E. globoidea and E. cypellocarpa and with Kunzea ericoides predominant in the shrub layer
Remarks:

LABORATORY ANALYSES 953
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 uS/cm	Cl- %	Depth cm	Composition %
Al	0 - 5	LS	1	42	38	10	8					4.4	48	0.004	60 - 80	kaolinite 75;
A2	30 - 50	LS	2	42	40	9	7	13	12	1	0.8	4.9	17	0.001		montmorillonite
B21	60 - 80	C	2	12	12	2	71	100	29	71	23	4.4	34	0.002		(chloritized) 25
B22	80 - 90		2									4.4	33	0.002	160 - 180	kaolite 80;
B22	90 - 120	C	2	12	10	2	73					4.5	46	0.003		illite 20
C	160 - 180	C	1	36	12	11	38					5.0	51	0.003

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
Al	0 - 5	1.79	0.094	25	0.4	6	60	0.005	0.038	0.6	0.4	0.2	0.1	11.3	5	4	2	1	88
A2	30 - 50				0.3			0.002	0.01	0.1	0.2	0.04	0.1	2.1	5	10	2	5	78
B21	60 - 80				5.4			0.003	0.08	0.1	4.2	0.1	0.6	23.5	<1	18	<1	3	79
B22	80 - 90									0.3	4.1	0.2	0.5	23.9	1	17	1	2	79
B22	90 - 120				5.2			0.003	0.08	0.04	4.6	0.2	0.9	25.9	<1	18	1	3	78
C	160 - 180				3.5			0.003	0.10	0.1	3.7	0.1	0.9	18.6	1	20	1	5	73

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