"Guidelines for Soil Description issued by the FAO: table 47"@en . _:b10219 . "StructureGrade"@en . _:b10218 . _:b10218 . _:b10214 . _:b10219 . _:b10218 . . _:b10219 . . _:b10218 . _:b10216 . _:b10211 . _:b10215 _:b10211 . _:b10214 . _:b10214 . _:b10214 _:b10215 . _:b10216 . _:b10219 . _:b10211 _:b10216 .