The prevention of growth and or spread of unwanted plants.
https://sante.gouv.fr//archives/archives-presse/archives-communiques-de-presse/annee-2014/article/l-ambroisie-une-plante-envahissante-et-dangereuse-pour-la-sante-qui-doit-etre 2014 false France French popular works ambrosia rhinitis, allergic, seasonal conjunctivitis, allergic tracheitis asthma weed control environmental monitoring cough eczema urticaria europe