Reference soil Japan 01: Gleysol

JP001

Distribution of Gleysols (rough estimation supplied by soilgrids)

Reference soil JP001: Gleysols

ADDITIONAL NOTES ON PROFILE DESCRIPTION: Apg - colour mottles: reddish brown. B21g - colour mottles: orange reddish; additional suffices ir, mn. B22g - colour mottles: grey streak. C3g - weathered Aoyagi pumice.

FAO-UNESCO-ISRIC 1974
Dystric Gleysol
- cm	cambic B horizon
- cm	ochric A horizon

Local classification

Classification information	Gleyed Ando Soil

Other classification

USDA-SCS (1975)

Haplaquept fine

Location:

Tokyo, Hino City, Kawabe, 590 Horinouchi

Particle size distribution

Depth (cm)	medium sand % weight/weight	fine silt % weight/weight	fine sand % weight/weight	Clay % weight/weight	Total sand % weight/weight	coarse sand % weight/weight	very coarse sand % weight/weight	Gravel % volume/volume	Total silt % weight/weight	coarse silt % weight/weight	very fine sand % weight/weight
0-21	3.3	28.6	7	44.1	16.6	1.1	0.4	-	39.2	10.6	4.8
21-42	3.6	36.8	7.5	30.1	17.6	1.2	0.4	-	52.5	15.7	4.9
42-65	4.6	18.1	9.4	48.8	23.4	2.6	0.8	-	27.7	9.6	6
65-84	5.3	30	10.4	31.5	27.7	3	1.3	-	40.8	10.8	7.7
84-103	4.5	23.7	11.1	35.5	28.6	2.3	0.9	-	36	12.3	9.8
103-136	4	13.5	9	23.4	24.1	2.1	0.7	-	52.6	39.1	8.3

Other physical data

Depth (cm)	Water disp. clay %	Clay % weight/weight	Bulk density kg/dm³	COLE cm/cm	Spec. Surf. Area m²/g
0-21	-	44.1	-	-	-
21-42	-	30.1	-	-	-
42-65	-	48.8	-	-	-
65-84	-	31.5	-	-	-
84-103	-	35.5	-	-	-
103-136	-	23.4	-	-	-

Chemical characteristics

Depth (cm)	Na cmol(c)/kg	Sum Cations cmol(c)/kg	Ca cmol(c)/kg	EC 1: 2.5 mS/cm	pHKCl unitless	K cmol(c)/kg	Mg cmol(c)/kg	pH H2O unitless	Exch. Acid cmol(c)/kg	C / N unitless	Exch. Al cmol(c)/kg	N %	C % weight/weight	CaCO3 % weight/weight
0-21	0.3	16.5	12.9	0.86	5.2	0.3	3.0	6.0	-	-	-	-	6.38	-
21-42	0.3	15.8	12.3	0.1	5.6	0.3	2.9	6.6	-	-	-	-	4.74	-
42-65	0.2	19	14.4	0.1	5.6	0.2	4.2	6.7	-	-	-	-	6.57	-
65-84	0.2	16.9	12.7	0.11	5.7	0.3	3.7	6.7	-	-	-	-	4.46	-
84-103	0.3	13.4	9.6	0.11	5.8	0.4	3.1	6.7	-	-	-	-	2.26	-
103-136	0.2	10.2	7.0	0.1	5.6	0.5	2.5	6.8	-	-	-	-	0.70	-

Depth (cm)	Base sat. %	Al sat. %	CEC soil cmol(c)/kg	ESP %	CEC clay cmol(c)/kg	CEC org cmol(c)/kg	ECEC cmol(c)/kg
0-21	36	-	46	-	104	22.3	-
21-42	41	-	38.3	-	127	16.6	-
42-65	33	-	58	-	119	23	-
65-84	28	-	60.8	-	193	15.6	-
84-103	37	-	36.4	-	103	7.9	-
103-136	47	-	21.8	-	93	2.4	-

Depth (cm)	pH NaF unitless	Fe o % weight/weight	Al o % weight/weight	ODOE unitless	C p % weight/weight	P Retention %	Fe p % weight/weight	Si o % weight/weight	Fe d % weight/weight	Al d % weight/weight	Al p % weight/weight
0-21	9.8	0.82	2.49	-	-	-	0.34	0.84	-	-	0.39
21-42	10	0.89	1.91	-	-	-	0.38	0.77	-	-	0.32
42-65	10.3	0.84	3.93	-	-	-	0.16	1.51	-	-	0.38
65-84	10.3	0.82	3.65	-	-	-	0.05	1.65	-	-	0.25
84-103	10.2	0.97	3.27	-	-	-	0.03	1.55	-	-	0.16
103-136	10	1.19	1.56	-	-	-	0.02	1.01	-	-	0.07

Elemental composition of the soil

Depth (cm)	CaO % weight/weight	SiO2 % weight/weight	Na2O % weight/weight	K2O % weight/weight	Al2O3 % weight/weight	Fe2O3 % weight/weight	TiO2 % weight/weight	MgO % weight/weight
0-21	1.51	48.4	-	1.0	18.3	8.2	1.1	1.03
21-42	1.7	46.4	-	1.05	18.9	11.7	1.18	1.03
42-65	1.21	41.4	-	0.94	20.6	10.6	1.34	1.08
65-84	0.9	42.7	-	1.01	21.7	11.8	1.44	1.1
84-103	0.7	45.0	-	1.25	22.3	12.8	1.4	1.28
103-136	0.61	50.3	-	1.61	20.4	12.3	1.14	1.28

Depth (cm)	SiO2 / Al2O3 mol/mol	P2O5 % weight/weight	MnO2 % weight/weight	LOI % weight/weight	SiO2 / R mol/mol	SiO2/Fe2O3 mol/mol	Al2O3/Fe2O3 mol/mol
0-21	4.5	0.91	0.05	18.5	3.5	15.7	3.5
21-42	4.2	0.43	0.15	15.9	3.0	10.6	2.5
42-65	3.4	0.36	0.42	20.5	2.6	10.4	3.0
65-84	3.3	0.27	0.23	17.7	2.5	9.6	2.9
84-103	3.4	0.18	0.18	14.3	2.5	9.4	2.7
103-136	4.2	0.10	0.10	10.0	3.0	10.9	2.6

Clay mineralogy

Depth (cm)

Mixed-layer unitless

Gibbsite unitless

Chlorite unitless

Mica / illite unitless

Halloysite unitless

Kaolinite unitless

Smec unitless

Goethite unitless

Hematite unitless

Feldspar unitless

Vermiculite unitless

Quartz unitless

0-21

very weak to weak

weak

very weak to weak

weak

very weak to weak

84-103

weak to medium

weak

very weak to weak

weak to medium

very weak to weak

Profile description

Apg 0-21 cm	very dark greyish brown (10YR 3/2, moist)clay loam,very weak massive,very friable slightly sticky slightly plastic,many medium distinct,no cutans,few pores,non-cemented pans,abrupt smooth boundary to,
Bg1 21-42 cm	very dark brown (10YR 2/2, moist)clay loam,weak massive,very friable slightly sticky slightly plastic,many fine prominent mottles,patchy cutans,few pores,non-cemented pans,abrupt smooth boundary to,
Bg2 42-65 cm	(7.5YR 2/1, moist)clay loam,weak massive,friable sticky slightly plastic,few medium distinct mottles,in root channels and pores cutans,few pores,non-cemented pans,abrupt smooth boundary to,
Cg1 65-84 cm	(7.5YR 3/3, moist)loam,weak massive,friable sticky slightly plastic,no cutans,few pores,non-cemented pans,clear wavy boundary to,
Cg2 84-103 cm	dark brown (10YR 3/3, moist)loam,massive,friable sticky plastic,no cutans,few pores,non-cemented pans,gradual irregular boundary to,
Cg3 103-136 cm	(dark) brown (7.5YR 4/4, dry) dark yellowish brown (10YR 4/4, moist)fine sandy loam,massive,very friable non sticky non plastic,no cutans,few pores,non-cemented pans,gradual irregular boundary to,
Cg3 103-136 cm	gravel

Kind 1 (parent material) ; Parker (eds), 1984	ejecta ash
Mode of accumulation or deposition of parent material	ejecta ash

Major crops	rice
Main type of irrigation; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	paddy
Land use or vegetation in the immediate vicinity of the site	arable farming

Altitude	75m
Physiographic Unit	lower Pleistocene terrace
Regional landform; McDonald, R.C., Isbell, R.F. et all, 1984; Australian soil and land survey Field Handbook, Inkata Press, Melbourne.	alluvial terrace
Slope	0%
Topography; Guidelines for soil description - Fourth edition (FAO, Rome, 2006)	flat or almost flat

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Reference soil Japan 01: Gleysol

Reference soil JP001: Gleysols