Novéthic, Libé, Le Monde, France Inter…ça bouge !
http://www.novethic.fr/novethic/site/article/index.jsp?id=102324
http://www.eco-echos.com/dotclear/index.php?2006/09/14/86-purin-d-ortie-un-petit-point-4
http://raffa.over-blog.com/article-3834466.html