Reference soil Canada 07: Solonetz

CA007

Solonetzes occur where a sodium source supplies the clay-rich subsoil with exchangeable Na, causing peptization of clay and organic substances and deterioration of the topsoil.

Characteristics

Soils having a natric horizon (a subsurface horizon with distinct higher clay content than the overlying horizon and more than 15% exchangeable sodium) within 100 cm from the soil surface.

Distribution of Solonetz (rough estimation supplied by soilgrids)

Reference soil CA007: Solonetz

Classification

WRB 1998

Magnesi-Hyposalic- Solonetz (Aridic Albic)

FAO-UNESCO-ISRIC 1988

FAO-UNESCO-ISRIC 1974

Hyposali-Haplic Solonetz

Orthic Solonetz

Local classification:	Brown Solod

Other classification

USDA-SCS (1975)

Natriboralf aridic fine-loamy mixed (calcareous) frigid

Profile description

Ah 0-10 cm	(dark) brown (10YR 4/3, dry)clay loam,weak fine granular,loose,many fine roots,non calcareous 10% HCl,clear smooth boundary to,
AE 10-19 cm	greyish brown (10YR 5/2, dry)clay,weak fine granular to weak fine platy,soft,many fine roots,non calcareous 10% HCl,clear smooth boundary to,
E 19-28 cm	light grey (10YR 7/2, dry)clay loam,weak fine platy,soft,many fine roots,slightly calcareous 10% HCl,abrupt smooth boundary to,
Btn1 28-34 cm	light brownish grey (10YR 6/2, dry)clay loam,moderate medium columnar parting to moderate medium angular blocky,hard,broken moderately thick clay and humus at top of columns cutans,common roots,slightly calcareous 10% HCl,abrupt smooth boundary to,
Btn2 34-40 cm	(10YR 4/2.5, dry)silty clay loam,moderate medium columnar parting to moderate medium subangular blocky,hard,common roots,slightly calcareous 10% HCl,clear smooth boundary to,
BCk 40-68 cm	greyish brown (2.5Y 5/2, dry)clay loam,moderate coarse prismatic,hard,few fine roots,slightly calcareous 10% HCl,clear smooth boundary to,
2Ckz1 68-91 cm	greyish brown (10YR 5/2, dry)silty clay,massive,few fine roots,few calcareous unspecified inclusions few saline unspecified inclusions,slightly calcareous 10% HCl,clear smooth boundary to,
2Ckz2 91-100 cm	very dark greyish brown (2.5Y 3/2, dry)silty clay loam slightly stony,massive,few calcareous unspecified inclusions few saline unspecified inclusions,slightly calcareous 10% HCl,

Kind 1 (parent material) ; Parker (eds), 1984	mixed lithology and composition
Mode of accumulation or deposition of parent material	glacial till
Soil Depth	91cm
Texture of parent material (second entry)	loamy
General characterization of the status of weathering of solid rock	slightly

Land use or vegetation in the immediate vicinity of the site	semi-natural grassland, grazed
Major vegetation type; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	grassland

Altitude	762m
Regional landform; McDonald, R.C., Isbell, R.F. et all, 1984; Australian soil and land survey Field Handbook, Inkata Press, Melbourne.	glacial plain
Slope	1%
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	flat or almost flat

Drainage class ; FAO (2006) - Guidelines for soil description	well
Dry From - To	0-91cm

Rock outcrop class (FAO (2006) - Guidelines for soil description)	none
Surface stoniness class (FAO (2006) - Guidelines for soil description)	very few stones

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Reference soil Canada 07: Solonetz

Characteristics

Reference soil CA007: Solonetz

Classification