Reference soil Canada 08: Luvisol

CA008

Luvisols occur mainly in temperate regions, particularly in areas with a Mediterranean-type of climate.

Characteristics

Soils having an argic horizon (a subsurface horizon with a distinct higher clay content than the overlying horizon) with a cation exchange capacity equal to or more than 24 cmolc per kg clay throughout.

Distribution of Luvisols (rough estimation supplied by soilgrids)

Classification

WRB 2006		WRB 1998
-		Chromi-Gleyic Luvisol (Cutanic
FAO-UNESCO-ISRIC 1988		FAO-UNESCO-ISRIC 1974
Molli-Gleyic Luvisol		Gleyic Luvisol

Local classification	Trafalgar series, Humic Luvic Gleysol

Other classification

USDA-SCS (1975)	Argiudoll udic very fine mixed mesic

Location:

Rittenhouse Farm, lot 7, Concession III, Clinton Township, Regional Municipality of Niagara, Ontario

Profile description

Ap1 0-15 cm	very dark greyish brown (10YR 3/2, moist)silty clay,moderate to strong medium subangular blocky parting to moderate medium granular,firm very plastic,non calcareous 10% HCl,gradual smooth boundary to,
Ap2 15-26 cm	very dark greyish brown (10YR 3/2, moist)silty clay,moderate to strong medium and coarse angular blocky,very firm very plastic,non calcareous 10% HCl,abrupt smooth boundary to,
Eg 26-29 cm	(dark) brown (10YR 4/3, moist)clay,massive,very firm very plastic,common medium prominent clear mottles (10YR 6/6) and common coarse prominent mottles (2.5YR 6/2),non calcareous 10% HCl,clear smooth boundary to,
Btg 29-62 cm	(5YR 4/3.5, moist)silty clay,massive parting to weak to moderate medium angular blocky,very firm very plastic,many coarse prominent clear mottles (5YR 4/2),broken moderately thick clay cutans,slightly calcareous 10% HCl,clear wavy boundary to,
Ckg 62-100 cm	reddish brown (2.5YR 4/4, moist)silty clay loam,massive parting to weak to moderate medium angular blocky,very firm very plastic,many coarse faint diffuse mottles (2.5YR 3.5/4),calcareous 10% HCl,

Kind 1 (parent material) ; Parker (eds), 1984	mixed lithology and composition
Mode of accumulation or deposition of parent material	glacial till
Remarks on Parent Materials	reddish silty clay loam glacial till
Soil Depth	100cm
Texture of parent material (second entry)	loamy
General characterization of the status of weathering of solid rock	slightly

Land improvements ; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	artificial drainage
Land use or vegetation in the immediate vicinity of the site	high level arable farming
Remarks on Land Use / Vegetation	VEGETATION: most native vegetation has been removed. Species common to the area include elm (Ulmus sp.), maple (Acer sp.), beech (Fagus sp.), oak (Quercus sp.), black ash (Fraxinus nigra), and chestnut.
Major vegetation type; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	deciduous forest

Altitude	90m
Physiographic Unit	level plain
Physiographic position of the site	flat
Regional landform; McDonald, R.C., Isbell, R.F. et all, 1984; Australian soil and land survey Field Handbook, Inkata Press, Melbourne.	glacial plain
Slope	0%
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	flat or almost flat

Drainage class ; FAO (2006) - Guidelines for soil description	imperfect
(Estimated) maximum (lower) depth to groundwater table	29cm
Kind of ground water table (USDA, 1979)	groundwater table observed
(Estimated) minimum (upper) depth to groundwater table	26cm
Moist From - To	0-100cm
Estimated permeability (class) of least permeable part of the profile	slow
Estimated run off (class)	very slow

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Reference soil Canada 08: Luvisol

Characteristics

Classification