A comparison of two rodent repellents in broadcast seeding Douglas-fir
By: by Edward J. Dimock II.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research paper -- no. 20.; Research paper (Pacific Northwest Forest and Range Experiment Station (Portland, Or.)) -- no. 20.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1957
Place of publication: [Portland, Or
Language: eng
Number of pages: 17
Subjects: Douglas fir -- Protection -- Northwest, Pacific.; Rodenticides -- Northwest, Pacific.; Endrin -- Northwest, Pacific.; Douglas fir -- Seeds -- Predators of -- Control -- Northwest, Pacific.; Seed treatment -- Northwest, Pacific.; Reforestation -- Northwest, Pacific.
Notes: Cover title.

"May 1957."

Also issued online.