United States Department of Agriculture
This booklet offers guidelines on how to care for trees to keep them healthy and to protect them from wounds. It also prescribes ways to prevent, recognize, and minimize damage by decay that most often sets in after tree wounding.
The 1976 National Silviculture Workshop was held in Eugene, Oregon, on October 13-15, 1976. The objectives were to discuss second growth management of individual stands, with particular emphasis on the control of stand density.
Ecological studies of the genus Ribes have been in progress in northern California for more than 20 years. A thorough under- standing of the ecology of native ribes in general, and of the Sierra Nevada gooseberry (Ribes roezli Regel) in particular, is necessary in connection with the control of the white pine blister rust in California. This disease of five-...