Profile Number 18

Laboratory number:	0961	Profile Description
Site number:	479	A1	0 - 25 cm	Very dark greyish brown (10YR 3/2) sandy loam; weak crumb structure; rough-ped fabric; friable when moist; pH 8.0; diffuse boundary
Classification:	Northcote (1979) - Uc1.43 Stace et al. (1972) - Alluvial Soil	C	25 - 150+ cm	Dark brown (10YR 3/3) loamy sand; apedal; earthy fabric; friable when moist; pH 6.5 increasing to pH 7.0 at 150 cm
Location:	Stratford 8322, grid ref. 191478 8 km S of Dargo on Wonnangatta River
Land system, component:	Walnut, 1
Topography:	Modern river terrace, 1% slope
Elevation:	220 m
Drainage:	Good
Parent material:	Holocene coarse-textured alluvium
Vegetation:	Cleared; mostly introduced grasses with occasional Eucalyptus melliodora, E. viminalis and Acacia dealbata

LABORATORY ANALYSES 955
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 - 10	LS	1	19	57	14	7					6.4	120	0.012
Al	20 - 25	LS	0	16	67	12	3					6.3	32	0.003
C	30 - 60	LS	0	15	70	9	6					6.5	23	0.002

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 - 10	2.3	0.22	14	1.1	22	560	0.035	0.32	3.9	2.0	1.3	0.01	13.8	28	15	9	<1	48
Al	20 - 25	0.82	0.064	17	1.3	17	300	0.030	0.30	2.9	1.1	0.6	<0.01	9.7	30	11	6	<1	63
C	30 - 60	0.56	0.047	15	1.2	9	220	0.026	0.32	3.3	0.9	0.4	<0.01	8.6	38	11	5	<1	46

Page top