Alkali bees
Subtitle: their biology and management for alfalfa seed production in the Pacific Northwest
By: By Carl Johansen ... [et al.].
Series: PNW -- 155.; PNW (Series) -- 155.
Publisher: Washington State University, Cooperative Extension Service
Published: 1976
Place of publication: [Pullman]
Language: eng
Number of pages: 19
Subjects: Alfalfa -- Northwest, Pacific -- Seeds; Alfalfa -- Disease and pest resistance -- Northwest, Pacific; Alkali bee -- Northwest, Pacific; Pollinators -- Northwest, Pacific
Notes: Bibliography: p. 19.