|
gptkbp:instanceOf
|
gptkb:Soil
|
|
gptkbp:characterizedBy
|
thick, dark, organic-rich surface horizon
|
|
gptkbp:class
|
gptkb:USDA
gptkb:World_Reference_Base_for_Soil_Resources_(WRB)
|
|
gptkbp:color
|
dark brown to black
|
|
gptkbp:commonIn
|
grassland ecosystems
|
|
gptkbp:dominantIn
|
prairie regions
|
|
gptkbp:formedBy
|
grassland vegetation
|
|
gptkbp:foundIn
|
gptkb:Asia
gptkb:Europe
gptkb:North_America
gptkb:South_America
|
|
gptkbp:hasHigh
|
base saturation
calcium content
magnesium content
organic matter content
|
|
gptkbp:hasLow
|
soil acidity
|
|
gptkbp:knownFor
|
high fertility
|
|
gptkbp:namedFor
|
gptkb:USDA_Soil_Taxonomy
|
|
gptkbp:parentMaterial
|
gptkb:limestone
gptkb:volcanic_activity
alluvium
glacial till
loess
|
|
gptkbp:partOf
|
gptkb:USDA_soil_taxonomy
|
|
gptkbp:percentageOfEarthsIceFreeLand
|
~7%
|
|
gptkbp:pH
|
neutral to slightly alkaline
|
|
gptkbp:soilHorizon
|
mollic epipedon
|
|
gptkbp:subfamily
|
gptkb:Ustolls
gptkb:Rendolls
gptkb:Udolls
Albolls
Aquolls
Cryolls
Xerolls
|
|
gptkbp:supports
|
livestock grazing
cereal crops
forage crops
|
|
gptkbp:threats
|
gptkb:urban_development
soil erosion
intensive agriculture
|
|
gptkbp:usedFor
|
agriculture
|
|
gptkbp:bfsParent
|
gptkb:Fine,_smectitic,_mesic_Typic_Argiustolls
gptkb:USDA_Soil_Taxonomy_(1960s)
gptkb:USDA_soil_taxonomy
gptkb:Orovada_Series
|
|
gptkbp:bfsLayer
|
7
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mollisols
|