Onion and leek seed production
By: M.K. Thornton ... [et al.].
Contributors: Thornton, Michael K.; University of Idaho. Cooperative Extension System.; Washington State University. Cooperative Extension.; Oregon State University. Extension Service.; United States. Dept. of Agriculture.
Series: PNW -- 433.; PNW (Series) -- 433.
Publisher: University of Idaho Cooperative Extension System; Washington State University Cooperative Extension; Oregon State University Extension Service; U.S. Dept. of Agriculture
Published: 1993
Place of publication: [Moscow, Idaho]; [Olympia, Wash.]; [Corvallis, Or.]; [Washington, D.C.]
Language: eng
Subjects: Onions -- Seeds.; Onions -- Northwestern States -- Seeds.; Leeks -- Seeds.; Leeks -- Northwestern States -- Seeds.
Notes: Title from caption.

"September 1993"--P. [8].

"A Pacific Northwest extension publication."