Reference soil Belgium 07: Retisol

BE007

Distribution of Retisols (rough estimation supplied by soilgrids)

Reference soil BE007: Retisol

Classification

WRB 2014:

Retisol

FAO-UNESCO-ISRIC 1988:

FAO-UNESCO 1974:

Dystric Podzoluvisol

Local classification:

Lbc(m)

Other classification

USDA-NRCS (1999)

Fraglossudal

Classification (other)

Location:

Bertembos (Leuven), Bertem

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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
0-7	-	-	-	-	-	-	27.24	40.9	22.27	63.17	9.59
7-35	-	-	-	-	-	-	22.03	40.16	26.19	66.35	11.62
35-46	-	-	-	-	-	-	18.93	40.02	31.19	71.21	9.86
46-60	-	-	-	-	-	-	20.97	41.81	28.09	69.9	9.13
46-60	-	-	-	-	-	-	20.97	41.81	28.09	69.9	9.13
60-150	-	-	-	-	-	-	14.49	35.69	35.88	71.57	13.94

Depth (cm)	coarse_clay %	coarse_fragments1 % w/w	coarse_fragments2 % w/w	coarse_fragments3 % w/w	coarse_fragments4 % w/w	coarse_fragments %
0-7	9.45	-	-	-	-	-
7-35	11.51	-	-	-	-	-
35-46	9.68	-	-	-	-	-
46-60	9.03	-	-	-	-	-
46-60	9.03	-	-	-	-	-
60-150	13.64	-	-	-	-	-

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 %
0-7	-	9.45	-	-	-	-	-	-	-	-	-	-	0.14
7-35	-	11.51	-	-	-	-	-	-	-	-	-	-	0.11
35-46	-	9.68	-	-	-	-	-	-	-	-	-	-	0.18
46-60	-	9.03	-	-	-	-	-	-	-	-	-	-	0.1
46-60	-	9.03	-	-	-	-	-	-	-	-	-	-	0.1
60-150	-	13.64	-	-	-	-	-	-	-	-	-	-	0.3

Other physical data

Depth (cm)	Bulk density kg/dm³	Spec. Surf. Area m²/g	COLE cm/cm	Water disp. clay %	Clay % w/w
0-7	-	-	-	-	9.59
7-35	-	-	-	-	11.62
35-46	-	-	-	-	9.86
46-60	-	-	-	-	9.13
46-60	-	-	-	-	9.13
60-150	-	-	-	-	13.94

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
0-7	3.4	3.05	-	-	4.032	0.403	10.005	-	-	2.56	0.54	0.27	0.18	-
7-35	3.84	3.77	-	-	1.018	0.176	5.784	-	-	-	-	-	-	-
35-46	3.87	3.87	-	-	0.508	0.086	5.907	-	-	0.49	0.06	0.09	0.14	-
46-60	3.88	3.89	-	-	0.35	0.039	8.974	-	-	0.64	0.04	0.07	0.1	-
46-60	3.88	3.89	-	-	0.35	0.039	8.974	-	-	0.64	0.04	0.07	0.1	-
60-150	4.35	3.87	-	-	0.178	0.032	5.563	-	-	4.73	2.9	0.8	0.19	-

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 %
0-7	49.38	7.18	-	-	-	-	-
7-35	-	3.42	-	-	-	-	-
35-46	19.96	3.95	-	-	-	-	-
46-60	25.42	3.33	-	-	-	-	-
46-60	25.42	3.33	-	-	-	-	-
60-150	86.88	9.92	-	-	-	-	-

Profile description

Ah 0-7 cm	(1OYR 2/1, moist) (1OYR 2/2, dry); silt loam strong medium ; sticky very plastic ; many pores; many fine many very fine roots; clear (2-5 cm) smooth; nearly plane surface boundary to
E 7-35 cm	yellowish brown(10YR 5/4, moist) brownish yellow(10YR 6/6, dry); silt loam weak medium ; very sticky very plastic ; many fine many very fine roots; clear (2-5 cm) smooth; nearly plane surface boundary to
EB 35-46 cm	yellowish brown(10YR 5/4, moist) yellowish brown(10YR 5/6, dry); silt loam weak medium ; very sticky very plastic ; common (5-15%) distinct fine (2-6 mm) mottles; clear (2-5 cm) smooth; nearly plane surface boundary to
BE 46-60 cm	light yellowish brown(10YR 6/4, moist) very pale brown(10YR 7/4, dry); silt loam ; sticky ; few faint horizontal pedfaces sesquioxides cutans; abundant (> 40%) prominent clear (0.5-2 mm) coarse (> 20 mm) mottles; many very fine (< 2 mm) ; abrupt (0-2 cm) smooth; nearly plane surface boundary to
BE 46-60 cm	light yellowish brown(10YR 6/4, moist) very pale brown(10YR 7/4, dry); silt loam ; sticky ; few faint horizontal pedfaces sesquioxides cutans; abundant (> 40%) prominent clear (0.5-2 mm) coarse (> 20 mm) mottles; many very fine (< 2 mm) ; abrupt (0-2 cm) smooth; nearly plane surface boundary to
Btx 60-150 cm	dark yellowish brown(10YR 4/4, moist) dark yellowish brown(10YR 4/6, dry); silt loam weak coarse / thick ; very sticky very plastic ; common prominent lamellae (clay bands) clay cutans; common (5-15%) distinct sharp (< 0.5 mm) common (5-15%) distinct sharp (< 0.5 mm) fine (2-6 mm) fine (2-6 mm) mottles;

Age of the land Surface	late pleistocene, periglacial, commonly recent soil formation on preweathered materials.
Remarks on Parent Materials	Quarternary loess

Land use or vegetation in the immediate vicinity of the site	natural forest and woodland
Remarks on Land Use / Vegetation	Sweet forest: chesnut, beech, ahorn, lilly of the valley, blackberry, ivy (grond cover)

Altitude	73m
Physiograpy description	Hilly
Physiographic position of the site	crest
Slope	04%
Form of the slope surrounding the site	straight
Slope gradient %	2.0%
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	very gently sloping

Drainage class ; FAO (2006) - Guidelines for soil description	moderately well drained
Depth to groundwater table	> 1000cm

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Reference soil Belgium 07: Retisol

Reference soil BE007: Retisol