Reference soil Canada 09: Luvisol

CA009

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
		Albic Cutani Luvisols
FAO-UNESCO-ISRIC 1988		FAO-UNESCO-ISRIC 1974
-		Albic Luvisols

Local classification	Culp series, Orthic Gray Luvisol

Other classification

USDA-SCS (1975)	Cryoboralf udic coarse-loamy mixed (calcareous) cryic

Location:

SW7-Tp78-Rg23-W5th, near Culp, Alberta

Profile description

O 0-3 cm	dark greyish brown (10YR 4/2, dry)leaves moderately,abrupt smooth boundary to,
Ah 3-5 cm	very dark grey (10YR 3/1, dry)sandy loam,weak fine granular,soft very friable non sticky non plastic,many very fine continuous inped interstitial random pores,many fine throughout many coarse roots,non calcareous 10% HCl,abrupt smooth boundary to,
E 5-17 cm	very pale brown (10YR 7/3, dry)sandy loam,moderate medium platy,soft very friable non sticky non plastic,many very fine discontinuous inped vesicular horizontal pores,many fine throughout many coarse roots,non calcareous 10% HCl,clear wavy boundary to,
Bt1 17-24 cm	yellowish brown (10YR 5/4, dry)silty clay loam,weak medium prismatic parting to strong medium angular blocky,slightly hard firm slightly sticky slightly plastic,broken moderately thick clay in root channels and pores cutans,many fine continuous exped tubular oblique pores and many continuous exped tubular oblique pores,many fine throughout many coarse roots,non calcareous 10% HCl,clear wavy boundary to,
Bt2 24-44 cm	yellowish brown (10YR 5/4, dry)silty clay loam,weak medium prismatic parting to strong medium angular blocky,hard firm slightly sticky slightly plastic,continuous moderately thick clay in root channels and pores cutans,few fine continuous exped interstitial vertical pores and few continuous exped interstitial vertical pores,few fine and medium throughout roots,non calcareous 10% HCl,clear wavy boundary to,
BC 44-56 cm	brown (10YR 5/3, dry)sandy loam,massive,slightly hard friable non sticky non plastic,(10YR 4/4),few fine continuous inped interstitial vertical pores,few fine and medium throughout roots,non calcareous 10% HCl,abrupt irregular boundary to,
Ck1 56-89 cm	greyish brown (2.5Y 5/2, dry)loamy sand,single grain,soft very friable non sticky non plastic,few fine continuous exped tubular vertical pores,few very fine throughout roots,calcareous 10% HCl,clear smooth boundary to,
Ck2 89-186 cm	greyish brown (2.5Y 5/2, dry)loamy sand,single grain,soft very friable non sticky non plastic,(10YR 6/1),few very fine continuous exped tubular vertical pores,few very fine throughout roots,calcareous 10% HCl,

Soil Depth	186cm
Kind 1 (parent material) ; Parker (eds), 1984	mixed lithology and composition
Mode of accumulation or deposition of parent material	lacustrine sediments
Remarks on Parent Materials	coarse loamy and coarse silty lacustrine sediments
Texture of parent material (second entry)	loamy
General characterization of the status of weathering of solid rock	slightly

Major crops	crops (unspecified)
Land improvements ; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	land clearing
Land use or vegetation in the immediate vicinity of the site	arable farming
Remarks on Land Use / Vegetation	VEGETATION: boreal forest with aspen poplar, spruce, pine, shrubs and coarses grasses
Major vegetation type; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	deciduous forest

Altitude	625m
Physiographic Unit	hummocky glaciolacustrine
Physiographic position of the site	crest
Regional landform; McDonald, R.C., Isbell, R.F. et all, 1984; Australian soil and land survey Field Handbook, Inkata Press, Melbourne.	alluvial terrace
Slope	10%
Form of the slope surrounding the site	complex
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	hilly

Drainage class ; FAO (2006) - Guidelines for soil description	well
Dry From - To	0-183cm
Kind of ground water table (USDA, 1979)	no groundwater table observed

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Reference soil Canada 09: Luvisol

Characteristics

Classification