Field test of acephate against two Douglas-fir Chirstmas tree pests
By: by Russel G. Mitchell and John Neisess.
Contributors: Neisess, John.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.).; United States. Forest Service.
Series: USDA Forest Service research note PNW ; 302; USDA Forest Service research note PNW -- 302.
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1977
Place of publication: Portland, Or
Language: eng
Subjects: Christmas trees.; Douglas fir -- Diseases and pests.
Notes: Issued Oct. 1977.

Bibliography: p. 7.