The Goryeong series are members of the fine silty, mixed, mesic family of Typic Endoaquepts [Gleyic Hydragric Anthrosols (Eutric Siltic) classified by WRB]. These soils have thin olive gray and greenish gray silt loam Ap horizon with pale brown and strong brown mottles, thick greenish gray and dark gray silt loam and silty clay loam Bg horizons, and dark gray silty clay loam C horizons. They are on nearly level to sloping local valleys derived from sedimentary rocks.

Typifying Pedon: Goryeong silt loam-paddy rice (Field description Goryeong profile No. 26; colors are for moist soil).

  Slope: 2-7%

  Elevation:  m above m.s.l.

  Soil moisture regime: Aquic

  Soil temperature regime: Mesic

  Parent material: Local alluvium

  Diagnostic features: An ochric epipedon from a depth of 0 to 20 cm and a cambic horizon from a depth of 40 to 65 cm (An anthraquic horizon from a depth of 0 to 40 cm and a hydragric horizon from a depth of 40 to 65 cm by WRB).

Morphological properties of typifying pedon.

Ap1 - 0 to 10 cm. Olive gray (5Y 5/2) silt loam; few fine distinct pale brown (10YR 6/3) mottles; structureless, puddled; slightly sticky and slightly plastic; many fine roots; clear smooth boundary.

Ap2 - 10 to 20 cm. Greenish gray (5GY 5/1) silt loam; few fine to medium strong brown (7.5YR 5/6) mottles; structureless, massive; slightly sticky and slightly plastic; common fine pores; common fine roots; abrupt smooth boundary.

BAg - 20 to 40 cm. Greenish gray (5GY 5/1) silty clay loam; moderate coarse angular blocky structure; sticky and plastic; common fine pores; few fine roots; abrupt smooth boundary.

Bg - 40 to 65 cm. Dark gray (5Y 5/1) silty clay loam; moderate coarse prismatic structure; sticky and plastic; common fine pores; few fine roots; clear smooth boundary.

Cg  - 65 to 120 cm.  Dark gray (5Y 4/1) silty clay loam; structureless, massive; very sticky and plastic; no roots.

Type Location: About 100 m. south-east of Seongdong Primary School, Seongdong Ri, Gaejin Myeon, Goryeong Gun, Gyeongsangbug Do.

Range in Characteristics: These soils have ochric epipedons and cambic horizons. The solum thickness ranges from 50 to 100 cm. Depth to hard rock is more than 3 meters. Base saturation is more than 60 percent. Reaction is medium acid to neutral. Ap horizons are thin, olive gray or greenish gray silt loam or loam with few fine pale brown or strong brown mottles. Bg horizons are thick greenish gray, dark gray or gray silt loam or silty clay loam. C horizons are dark gray, olive gray or gray silt loam or silty clay loam.

Competing Series and Their Differentiae: These are the Ogcheon, Sugye, Yuga, Gagog, and Yecheon soils. The Ogcheon soils are fine loamy textural family and derived from granitic or porphyritic materials. The Sugye soils are on broad alluvial plains. The Yuga and Gagog soils are imperfectly drained soils. The Yecheon soils are coarse loamy soils.

Setting: The Goryeong soils are on local alluvial valley derived from shale materials. The dominant slopes are 0 to 2 percent and ranges from 0 to 7 percent.

Principal Associated Soils: These are the Daegu, Habin, and Sirye soils in the upper residual positions, the Yuga in somewhat higher positions.

Drainage and Permeability: Poorly drained; slow runoff; slow permeability.

Use and Vegetation: These soils are used for paddy field.

Distribution and Extent: The Goryeong soils are of small extent distributed on the sedimentary geology areas.

Series Established: Goryeong Gun, Gyeongsangbug Do, 1977.

Laboratory data sheets of Goryeong series.

Depth (cm)	Horizon	( --- Total ---)			(-- Clay --)		(-- Silt --)		(------- Sand -------)
		Clay	Silt	Sand	Fine	Coarse	Fine	Coarse	VF	F	M	C	VC
		LT	.002	.05	LT	LT	.002	.02	.05	.10	.25	.5	1
		.002	- .05	- 2	.0002	.002	- .02	- .05	- .10	- .25	- .50	- 1	- 2
		- - - - - - - - - - - Pct of ˂ 2mm (3A1) - - - - - - - - - - -
0-10	Ap1	27.0	50.7	22.3					5.4	5.0	4.3	3.8	3.8
10-20	Ap2	22.6	55.0	22.4					4.5	4.7	4.0	4.7	4.5
20-40	BAg	29.5	6.7	13.8					3.8	3.4	2.4	2.1	2.1
40-65	Bg	27.9	63.0	9.1					3.5	2.7	1.6	0.7	0.6
65-120	Cg	33.7	58.3	8.0					3.2	2.0	1.3	0.7	0.8

Depth (cm)

Coarse Fractions(mm)

˃2mm

Orgn

Total

Extr

Total

(-- Dith -Cit --)

Weight

Wt

C

N

P

S

Extractable

2-5

5-20

20-75

.1-75

Pct of

Fe

Al

Mn

Whole

6A1c

6B3a

6S3

6R3a

6C2b

6G7a

6D2a

Pct of ˂ 75mm (3B1)

Soil

Pct ˂ 2mm

g/kg

Pct of ˂ 2mm

0-10

1.35

10-20

1.29

20-40

1.27

40-65

0.86

65-120

0.27

Depth (cm)

Ratio/Clay

Atterberg

( Bulk Density )

COLE

(- Water Content -)

WRD

CEC

1500

Limits

Field

33

Oven

Whole

Field

10

33

1500

Whole

kPa

LL

PI

Moist

kPa

Dry

Soil

Moist

kPa

kPa

kPa

Soil

8D1

8D1

4P1

4P

4A3a

4A1d

4A1h

4D1

4B4

4B1c

4B1c

4B2a

4C1

Pct ˂0.4mm

- - g/cc - -

cm/cm

-- Pct of ˂2mm --

cm/cm

0-10

52.0

46.9

19.0

10-20

50.4

44.6

18.2

20-40

49.2

40.6

17.2

40-65

41.4

38.2

16.

65-120

46.4

32.9

14.4

Depth (cm)	( NH4OAc Extractable Bases )					Acid-	Extr	(----- CEC -----)			Al
	Ca	Mg	K	Na	Sum	ity	Al	Sum	NH4-	Bases	Sat
	5B5a	5B5a	5B5a	5B5a	Bases			Cats	OAc	+ Al
	6N2e	6O2d	6Q2b	6P2b		6H5a	6G9a	5A3a	5A8b	5A3b	5G1
	- - - - - - - - - - - - meq / 100g - - - - - - - - - - - -										Pct
0-10	10.88	3.55	0.12	0.18	14.73				14.4
10-20	10.13	3.00	0.09	0.19	13.41				14.0
20-40	7.63	1.68	0.08	0.13	9.52				12.7
40-65	4.50	1.00	0.07	0.09	5.66				9.6
65-120	8.00	1.70	0.11	0.09	9.90				-

Depth (cm)

(Base Sat)

CO3 as

Res

Cond

(------ pH ------)

Acid Oxalate Extraction

Sum

NH4-

CaCO3

NaF

KCl

CaCl2

H2O

Opt

Al

Fe

Si

OAc

˂2mm

.01M

Den

5C3

5C1

6E1g

8E1

8I

8C1d

8C1f

8C1f

8J

6G12

6C9a

6V2

---- Pct ----

ohms/cm

dS/m

1: 1

1: 2

1: 1

- Pct of ˂2mm -

0-10

102.2

5.3

6.7

10-20

95.7

5.1

6.5

20-40

74.9

4.4

5.7

40-65

58.9

4.0

5.5

65-120

5.1

6.4