Q: I have a California lilac tree in my back yard. A thick root is underneath the pavers and lifting them up. Will I kill the tree if I cut out that root? I sure don’t want to kill it!
Q: We have some large laurels with holes and discoloration on the leaves and wondering what is causing it and how to treat it. We don't see anything on the bottom side of leaves. We'd appreciate your opinion and advice.
Research is incorporated into the Harney County Cooperative Weed Management Area, which will restore 20,000 acres that have been invaded by medusahead in western Harney County.
Dustin Johnson |
Aug 2020 |
Impact story
Credit Oregon State University (Cropped from original)
With targeted research, Oregon State University Extension Service and the Oregon Agricultural Experiment Station responded by providing growers with information on better nutrient management of those crops.