A power sprayer for small experimental plots
By: J.R. Douglass, [et al.]
Contributors: United States. Entomology Research Division
Series: ARS -- 33-36; ARS (Series) (United States. Agricultural Research Service) -- 33-36.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1957
Place of publication: [Beltsville, Md.?]
Language: eng
Subjects: Agricultural machinery; Design and construction; Spraying equipment
Notes: Caption title.

"March 1957."