Reference soil Netherlands 55

NL055

Gleysols occur throughout the world where groundwater comes near to the surface, causing soils to become wet for a prolonged part of the year. They are particularly abundant in the low-lying river basins.

Characteristics

Soils having gleyic properties (properties associated with prolonged wetness) within 50 cm from the soil surface. They have no diagnostic horizons other than an anthraquic, histic, mollic, ochric, takyric, or umbric horizon at the surface, or an andic, calcic, cambic, gypsic, plinthic, salic, sulfuric, or vitric horizon within 100 cm from the soil surface.

Distribution of Gleysols (rough estimation supplied by soilgrids)

Reference soil NL055: Gleysol

Classification

WRB 2014

Gleysol

Local classification:	Vlakvaaggrond

Location:

Ameland Neerlands Reid

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Physical

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
0-12	-	0.06	0.156	0.957	22.02	12.458	35.8	19.5	18.062	37.6	26.564
12-42	-	0	0.031	0.917	81.228	3.471	85.6	4.2	3.845	8	6.408
42-45	-	0	0.031	0.618	62.554	3.74	66.9	10.5	9.125	19.6	13.499
45-150	-	0	0.02	2.29	93.844	2.552	98.7	0.2	0.769	1	0.324

Chemical characteristics:

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
0-12	7.52	7.25	7.32	7.481	4.392	0.426	10.32	-	-	39.592	12.373	1.403	17.832	71.2
12-42	7.78	7.31	2.14	0.956	0.805	0.091	8.833	-	-	10.193	2.592	0.395	4.418	17.6
42-45	7.32	6.92	6.65	0.565	1.023	0.112	9.15	-	-	4.938	7.846	0.852	13.912	27.5
45-150	8.11	8.24	2.937	0.517	0.048	0.04	1.19	-	-	9.548	1.802	0.18	6.966	18.5

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 %
0-12	100	20.899	-	-	-	-	-
12-42	100	4.457	-	-	-	-	-
42-45	100	8.881	-	-	-	-	-
45-150	100	0.398	-	-	-	-	-

Depth (cm)	CaSO4.2H2O %	P Bray mg/kg	P Olsen mg/kg	pH CaCl2	clay_noncarbonate % w/w	clay_carbonate % w/w	phosphorus4 mg/kg	phosphorus1 mg/kg	total_sulfur % w/w
0-12	0.007	-	48.857	7.5	25.14	1.425	-	-	0.209
12-42	0.095	-	16.597	7.45	5.182	1.226	-	-	0.025
42-45	0.015	-	22.946	7.24	13.499	-	-	-	0.037
45-150	0.006	-	1.613	7.91	0	1.478	-	-	0.004

Age of the land Surface	young (10–100 years) natural: with loss by erosion or deposition of materials such as on tidal flats, of coastal dunes, river valleys, landslides or desert areas.
Remarks on Parent Materials	Very young marine sand deposits

Soil erosion type	no evidence of erosion
Classification of total area affected by erosion and deposition	0%

Land improvements ; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	no influence
Land use or vegetation in the immediate vicinity of the site	reserves
Major vegetation type; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	short grassland

Altitude	1m
Hierarchy of major landforms	plain
Physiograpy description	Coastal plain
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	flat

Drainage class ; FAO (2006) - Guidelines for soil description	imperfectly drained
Depth to groundwater table	40cm

Surface stoniness class (FAO (2006) - Guidelines for soil description)	none (0%)
Recommended classification of rock outcrops - distance between rock outcrops	none (0%)
Classification of salt characteristics - cover	none (0-2%)
Classification of salt characteristics - thickness	none

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Reference soil Netherlands 55

Characteristics

Reference soil NL055: Gleysol

Classification