Books by Douglass F. Roy
Total count: 11
Effects of ground cover and class of planting stock on survival of transplants in the eastside pine type of CaliforniaCalifornia Forest and Range Experiment Station1953-01-01
The Clements growth prediction charts for residual stands of mixed conifers in CaliforniaU.S.D.A.1955-01-01
Don't plant close to unbarked trees!California Forest and Range Experiment Station1955-01-01
Killing tanoak in northwestern CaliforniaCalifornia Forest and Range Experiment Station1956-01-01
A record of tanoak acorn and seedling production in northern CaliforniaCalifornia Forest and Range Experiment Station1957-01-01
Small seed traps perform well in the Douglas-fir type of CaliforniaCalifornia Forest and Range Experiment Station1959-01-01
Douglas-fir seed dispersal in Northwestern CaliforniaU.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station1960-01-01
Seed spotting with Endrin-Treated Douglas-Fir Seed in Northwestern CaliforniaU.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station1961-01-01