Guidelines for the operational use of Bacillus thuringiensis against the spruce budworm.
Contributors: United States. Cooperative State Research Service.
Series: Spruce budworms handbook; Agriculture handbook -- no. 621.; Agriculture handbook (United States. Dept. of Agriculture) -- no. 621.
Publisher: U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service
Published: 1984
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 26
Subjects: Bacillus thuringiensis.; Spruce budworm.; Aerial spraying and dusting in forestry.
Notes: "CANUSA, Canada United States Spruce Budworms Program"--P. 2.

"June 1984"--P. 2.

Bibliography: p. 26.