Aircraft spray systems modifications for application of ULV malathion for grasshopper control
By: [D.S. Jackson].
Series: Extension mimeo -- 3541.; Extension mimeo (Washington State University. Cooperative Extension Service) -- 3541.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1972
Place of publication: Pullman
Language: eng
Notes: Cover title.

"E.M. 3541, April 1972."