Management options for knapweeds (diffuse, spotted, and Russian) in forest land: preventive steps; biological, chemical, and mechanical controls, plus fire and grazing. Includes description of weeds and their life cycle, history of infestation in the United States and West, and sources of more information.
Organization |
Oregon State University Extension |
Publisher |
Oregon State University |
Published |
September, 2008 |
Material Type |
Written Material |