Reference soil Belgium 06: Luvisol

BE006

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)

Reference soil BE006: Luvisol

WRB 2014:

Haplic Luvisol
25-200 cm	nitic horizon

FAO-UNESCO-ISRIC 1988:

FAO-UNESCO 1974:

Haplic Luvisol

Other classification

USDA-NRCS (1999)

Typic

Hapludalf

Location:

Bertembos, Bertem

Physical characteristics

Particle size distribution

Depth (cm)	Gravel % v/v	very coarse sand % w/w	coarse sand % w/w	medium sand % w/w	fine sand % w/w	very fine sand % w/w	Total sand % w/w	coarse silt % w/w	fine silt % w/w	Total silt % w/w	Clay % w/w
0-10	-	-	-	-	-	-	20.76	41.6	27.63	69.23	10.01
10-40	-	-	-	-	-	-	20.66	38.59	28.43	67.02	12.32
40-75	-	-	-	-	-	-	22.82	37.97	28.49	66.46	10.72
75-120	-	-	-	-	-	-	14.8	-	-	66.9	-

Depth (cm)	coarse_clay %	coarse_fragments1 % w/w	coarse_fragments2 % w/w	coarse_fragments3 % w/w	coarse_fragments4 % w/w	coarse_fragments %
0-10	9.84	-	-	-	-	-
10-40	12.18	-	-	-	-	-
40-75	10.49	-	-	-	-	-

Depth (cm)	lab_texture	coarse_clay %	very_coarse_sand %	coarse_sand %	medium_sand %	fine_sand %	very_fine_sand %	total_sand_05_2 %	coarse_silt_02_005 %	fine_silt_002_02 %	total_silt %	fine_clay_2 %	fine_clay_02 %
0-10	-	9.84	-	-	-	-	-	-	-	-	-	-	0.17
10-40	-	12.18	-	-	-	-	-	-	-	-	-	-	0.14
40-75	-	10.49	-	-	-	-	-	-	-	-	-	-	0.23

Other physical data

Depth (cm)	Bulk density kg/dm³	Spec. Surf. Area m²/g	COLE cm/cm	Water disp. clay %	Clay % w/w
0-10	-	-	-	-	10.01
10-40	-	-	-	-	12.32
40-75	-	-	-	-	10.72

Chemical data

Depth (cm)	pH H2O	pHKCl	EC 1: 2.5 dS/m	CaCO3 % w/w	C % w/w	N %	C / N	Exch. Acid cmol(c)/kg	Exch. Al cmol(c)/kg	Ca cmol(c)/kg	Mg cmol(c)/kg	K cmol(c)/kg	Na cmol(c)/kg	Sum Cations cmol(c)/kg
0-10	3.29	3.15	-	-	4.15	0.373	11.126	-	-	1.45	0.32	0.32	0.21	-
10-40	3.71	3.78	-	-	1.002	0.123	8.146	-	-	0.27	0.06	0.16	0.09	-
40-75	4.17	3.72	-	-	0.166	0.045	3.689	-	-	3.09	2.31	0.3	0.24	-
75-120	8.9	7.9	-	-	0	-	-	-	-	-	1.36	0.15	-	-

Depth (cm)	Base sat. %	CEC soil cmol(c)/kg	CEC clay cmol(c)/kg	CEC org cmol(c)/kg	ECEC cmol(c)/kg	Al sat. %	ESP %
0-10	30.89	7.42	-	-	-	-	-
10-40	13.28	4.35	-	-	-	-	-
40-75	70.05	8.48	-	-	-	-	-
75-120	100	5.81	-	-	-	-	-

Profile description

Ah 0-10 cm	(1OYR 2/1, moist) very dark greyish brown(10YR 3/2, dry); silt loam strong fine/thin subangular blocky ; slightly sticky very plastic ; no (0%) mottles; common fine many very fine roots; many earthworm channels ; clear (2-5 cm) smooth; nearly plane surface boundary to
E 10-40 cm	(1OYR 5/6, moist) brownish yellow(10YR 6/6, dry); silt loam weak medium subangular blocky ; very sticky very plastic ; no (0%) mottles; few fine roots; clear (2-5 cm) smooth; nearly plane surface boundary to
EBt1 40-75 cm	yellowish brown(10YR 5/6, moist) brownish yellow(10YR 6/8, dry); silty clay loam weak medium subangular blocky ; very sticky very plastic ; few faint clay and sesquioxides cutans; few (2-5%) distinct sharp (< 0.5 mm) very pale brown medium (6-20 mm) mottles; very few ; gradual (5-15 cm) smooth; nearly plane surface boundary to
Bt2 75-120 cm	(1OYR 5/6, moist) brownish yellow(10YR 6/6, dry); silty clay loam weak medium platy ; very sticky very plastic ; common (5-15%) distinct clear (0.5-2 mm) very pale brown mottles;

Age of the land Surface	late pleistocene, periglacial, commonly recent soil formation on preweathered materials.
Remarks on Parent Materials	Quarternary loess;parent rock evidence of mobility solifluction, colluviation

Land use or vegetation in the immediate vicinity of the site	natural forest and woodland
Remarks on Land Use / Vegetation	Oak forest with shrubs and fern

Altitude	71m
Physiograpy description	Hilly
Physiographic position of the site	middle slope
Slope	04%
Form of the slope surrounding the site	concave
Slope gradient %	1.0%
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	very gently sloping

Drainage class ; FAO (2006) - Guidelines for soil description	well drained
Depth to groundwater table	> 300cm

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Reference soil Belgium 06: Luvisol

Characteristics

Reference soil BE006: Luvisol