Cross pollination of plus trees for Umpqua co-op
By: Bureau of Land Management, Roseburg District
Publisher: [U.S. Dept. of the Interior, Bureau of Land Management,]
Published: 1976
Place of publication: Roseburg, Ore.]
Language: eng
Subjects: Pollination; Research; Forest health; Oregon
Notes: "Pollination by: Reese brothers, Kelso WA, March-May"--cover.
Table of contents: title: Summary of cross pollination project; title: Summary of crosses by co-operators and units; title: Record of individual trees by co-operator & area