Reference soil Jordan 03: Leptosol

JO003

Leptosols are by far the most extensive group of soils in the world. They are found mainly in mountainous regions and in areas where soil has been eroded to the extent that hard rock comes near to the surface. Other (minor) occurrences are along rivers where gravely deposits have accumulated without substantial admixture of fine earth material.

Characteristics

Soils which are either limited in depth by continuous hard rock within 25 cm from the soil surface, or overly mayerial with a calcium carbonate equivalent of more than 40 percent within 25 cm from the soil surface, or contain less than 10 percent (by weight) fine earth (mineral soil material with a diameter of 2 mm or less) to a depth of 75 cm from the soil surface. Leptosols have no diagnostic horizons other than a mollic, ochric, umbric, vertic or yermic horizon.

Distribution of Leptosols (rough estimation supplied by soilgrids)

Reference soil JO003: Leptosol

Classification

WRB 2014

Leptosol

Location:

Birayn

More images

Physical characteristics

Other physical data

Depth (cm)	Bulk density kg/dm³	Spec. Surf. Area m²/g	COLE cm/cm	Water disp. clay %	Clay % w/w
0-15	0.94	-	-	-	-

Water retention characteristics

Depth (cm)	Bulk density kg/dm³	pF 0 % v/v	pF 1.0 % v/v	pF 1.5 % v/v	pF 2.0 % v/v	pF 2.3 % v/v	pF 2.7 % v/v	pF 3.4 % v/v	pF 4.2 % v/v
0-15	0.94	-	-	0.64	0.56	-	-	-	0.09

Depth (cm)	pf_05 cm³/cm³	pf_25 cm³/cm³	pf_30 cm³/cm³	pf_35 cm³/cm³	pf_6 cm³/cm³	pf_7 cm³/cm³
0-15	0.78	0.51	-	0.35	-	-

Profile description

Ah 0-15 cm	dark yellowish brown(10YR 4/6, moist) yellowish brown(10YR 5/6, dry); clay loam strong subangular blocky ; slightly hard very friable slightly sticky slightly plastic ; discontinuous irregular many distinct pedfaces cutans; no (0%) mottles; few fine few very fine many very fine roots; none soft ; common (5-15%) ; none ; soft concretions ; abrupt (0-2 cm) boundary to
C1 15-80 cm	pink(7.5YR 8/4, moist) pinkish white(7.5Y 8/2, dry); sandy loam ; hard slightly sticky non-plastic ; common distinct coarse fragments cutans; few (2-5%) faint sharp (< 0.5 mm) (dark) brown mottles; common pores; common fine few very fine roots; none both hard and soft ; dominant (> 80%) ; channels fine (0.5-2 mm) pans; none ; extremely calcareous (> 25%) hard concretions ; abrupt (0-2 cm) boundary to
C2 80-113 cm	(7.5YR 8/3, moist) pinkish white(7.5Y 8/2, dry); sandy clay loam ; hard non-plastic ; common prominent coarse fragments cutans; few (2-5%) faint sharp (< 0.5 mm) dark greyish brown mottles; many pores; none hard ; dominant (> 80%) ; interstitial fine (0.5-2 mm) pans; hard concretions ;

Age of the land Surface	older, pre-tertiary land surfaces, commonly high planes, terraces or peneplains, except incised valleys, frequent occurrence of palaeosoils.
Remarks on Parent Materials	Limestone with quartz gravel and colluvial material from upslope

Intensity of the soil erosion type	slight
Soil erosion type	sheet erosion
Classification of total area affected by erosion and deposition	> 50%

Major crops	olives
Land use or vegetation in the immediate vicinity of the site	crop agriculture (cropping)

Altitude	642m
Hierarchy of major landforms	medium-gradient hill
Physiographic Unit	middle slope (back slope) in undulating to mountainous terrain
Slope	07%
Slope forms and surface pathways	convex straight
Slope gradient %	15.0%

Surface stoniness class (FAO (2006) - Guidelines for soil description)	abundant (40-80%)
Recommended classification of rock outcrops - distance between rock outcrops	common (5%-15%)

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Reference soil Jordan 03: Leptosol

Characteristics

Reference soil JO003: Leptosol

Classification