Calibrating and using a backpack sprayer
By: C.G. Landgren].
Contributors: Washington State University. Cooperative Extension Service.
Series: PNW -- 320.; PNW (Series) -- 320.
Publisher: Washington State University Extension Service
Published: 1987
Place of publication: [Pullman, Wash.]
Language: eng
Number of pages: 12
Notes: "November 1987."