merihiekka
type: Concept
broader: hiekka
preferred label: sea sand @en
preferred label: havssand @sv

lentohiekka
type: Concept
broader: hiekka
preferred label: flygsand @sv

hiekka
type: Concept
broader: kivennäismaalajit
broader: maalajit
in scheme: conceptscheme
narrower: merihiekka
narrower: karkea hiekka
narrower: hieno hiekka
narrower: lentohiekka
preferred label: sand @sv
related: maanparannusaineet
cc: C22 viljely
cc: C80 ymparistonsuojelu

maanparannusaineet
type: Concept
preferred label: soil treatments @en
preferred label: jordförbättringsmedel @sv
related: hiekka

maalajit
type: Concept
narrower: hiekka
preferred label: jordarter @sv
preferred label: soils @en

kivennäismaalajit
type: Concept
narrower: hiekka
preferred label: mineral soils @en

karkea hiekka
type: Concept
broader: hiekka

hieno hiekka
type: Concept
broader: hiekka