dikning
preferred label: ditching @en
preferred label: ojitus @fi
type: Concept
narrower: täckdikning

täckdikning
broader: dikning
type: Concept
related: diken
preferred label: subsurface drainage @en
preferred label: salaojitus @fi
in scheme: conceptscheme
broader generic: dikning

diken
preferred label: ditches @en
preferred label: ojat @fi
type: Concept
related: täckdikning