Michael from Tuolumne, Calif. writes
Something USFS approved. Approximately 70 acres to be sprayed. If possible would like something that would not destroy conifer trees,
Due to the size you are treating and the elevation conditions, we recommend contacting your local extension office for information. They are located in the county where you are wanting to treat and are better to advise you on what products would be most effective for your needs.
Answer last updated on: 07/21/2014