The obscure scale on the pecan and its control
By: by Howard Baker
Series: Circular / United States Department of Agriculture -- no. 295; Circular (United States. Dept. of Agriculture) -- no. 295.
Publisher: U.S. Dept. of Agriculture
Published: 1933
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Scale insects; Control; Pecan; Diseases and pests
Notes: Caption title.

"Contribution from Bureau of Entomology."

Bibliography: p. 19.