Profile Number 56

Laboratory number:	0962	Profile Description
Site number:	480	A1	0-5 cm	Very dark greyish brown (10YR3/2) silty loam; weak crumb structure; rough-ped fabric; hard when dry; 2% ferruginous nodules (10 mm); pH 6.0; clear boundary
Classification:	Northcote (1979) – Dy2.33 Stace et al (1972) – Solodic Soil	A2	5-20 cm	Dark brown (10YR 3/3) silty loam; apedal; earthy fabric; very hard when dry; 2% ferruginous nodules (10 mm) and 5% parent rock fragments (20 mm); pH 6.5; abrupt boundary
Location:	Maffra 8222, grid ref. 684329 2 km W of Windmill Hill	B2	20-90 cm	Yellowish brown (10YR 5/4) heavy clay; strong fine (10 mm) angular blocky structure; smooth-ped fabric; very hard when moist; 5% parent rock fragments (10 mm); pH 7.5; diffuse boundary
Land system, component:	Avon, 2	B3	90-150+ cm	Yellowish brown (10YR 5/6) medium clay; common faint reddish brown mottles (<5 mm); strong coarse (20 mm) angular blocky structure; smooth-ped fabric; firm when moist; 5% parent rock fragments (10 mm); pH 8.0
Topography:	Spur crest, W Aspect, 5% gradient
Elevation:	210 m
Drainage:	Poor
Parent material:	Carboniferous shale and siltstone
Vegetation:	Open forest II: Eucalyptus tereticornis and E. melliodora

LABORATORY ANALYSES 962
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 %
A1	0-5	L	19	11	55	22	12					6.3	110	0.009
A2	10-20	LS	17	10	56	21	9	19	17	2	0.4	7.0	54	0.005
B2	20-30	C	17	7	32	11	47					6.6	360	0.037
B2	60-90	C	15	6	26	12	53	69	18	51	17	7.9	700	0.074
B3	120-150	C	12	6	34	12	46					8.2	590	0.056

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
A1	0-5	5.4	0.38	18	1.4	23	460	0.017	0.19	6.4	2.0	1.1	0.2	21.6	30	9	5	1	55
A2	10-20	1.1	0.091	16	2.1	6	180	0.016	0.10	3.0	1.5	0.5	0.3	8.7	35	17	6	3	39
B2	20-30	0.97	0.070	18	3.0	1	18	0.011	0.43	2.5	13.2	0.4	4.2	29.	8	45	1	14	32
B2	60-90				2.3			0.012	0.58	2.1	15.3	0.3	5.2	27.4	8	56	1	19	16
B3	120-150				2.3			0.010	0.51	2.0	13.7	0.3	4.8	23.6	8	58	1	20	13

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