Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Εισβολή ζιζανίων σε καλλιέργεια-el#Sense
Rikkaruohottuminen-fi#Sense
Ukrudtsbekæmpelse-da#Sense
Ogrässpridning-sv#Sense
Salissement-fr#Sense
Infestamento-it#Sense
Infestação-pt#Sense
Verunkrautung-de#Sense
Veronkruiding-nl#Sense