Sieben Jahre obligatorische Bekämpfung von Ambrosia artemisiifolia in der Schweiz - ein Erfahrungsbericht aus dem Kanton Zürich
Ambrosia artemisiifolia is a quarantine-organisme in Switzerland, which has to be combated compulsary since 2006. For animal feed, a critical value of 10 seeds of ambrosia per kilogram is tolerated. The quality improvement of feed for birds and small animals has led to a considerable decrease of amb...
Main Author: | |
---|---|
Format: | Article |
Language: | deu |
Published: |
Julius Kühn-Institut
2014-07-01
|
Series: | Julius-Kühn-Archiv |
Subjects: | |
Online Access: | http://pub.jki.bund.de/index.php/JKA/article/view/3084 |