https://www.phlorum.com/blog/2013/04/09/japanese-knotweed-control-guidance-seminar-pca-cml-bsa-rics660/ PRESS RELEASE: Embarrassing Lack of Research and Knowledge Sharing in Japanese Knotweed Control Being Addressed by Trade Body and Good Science Read the full story... Published on 09-04-2013 by Dr Paul Beckett