Field test of acephate against two Douglas-fir Christmas tree pests
By: by Russel G. Mitchell and John Neisess
Contributors: Neisess, John, jt. auth; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: 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