Release of Douglas-fir seedlings: growth and treatment costs

studying the regeneration of California forests. with headquarters at Redding. Calif. He holds bachelor's (Washington Slate University, 1960) and master's (Duke University. 1961) degrees in forestry. and a Ph.D. degree in forest science (Oregon State University, 1978). GARY O. FIDDLER is a silviculturist assigned to the Timber Resource Planning and Silviculture Unit. Pacific Southwest Region. with headquarters in San Francisco. and stationed at Redding, Calif. He received a B.S. degree (1963) in forest management from Arkansas A&M College. Cover: Four years after initial release. Douglas-lir growth was significantly greater on an entire area sprayed with 2,4-0 than it was on the untreated control (inset).