[Laws, regulations, statutes and other stipulations for control of wild oat-grass (Avena fatua) in Denmark, Finland, Iceland, Norway and Sweden]

avena fatua contamination danemark denmark dinamarca distribution naturelle economia economics economie escarda finland finlande finlandia grain granos histoire historia history iceland islande islandia legislation malezas mauvaise herbe natural distribution noruega norway reglamentaciones regulations seed semence semillas suecia sweden weed control weeds