Phlorum staff members supervised the knotweed excavation with Root barrier membranes set up and opportunity regrowth was controlled by implementation of an herbicide checking programme. ), an herbaceous perennial member in the buckwheat family, was launched from East Asia within the late 1800s being an ornamental also to stabilize streambanks. https://livebookmarking.com/story20368647/the-fact-about-japanese-knotweed-control-that-no-one-is-suggesting