Effect of storage, bulb size, spacing, and time of planting on production of onion seed
By: H.A. Jones and S.L. Emsweller
Contributors: Emsweller, S. L. (Samuel Leonard), b. 1898
Series: Bulletin -- no. 628; Bulletin (California Agricultural Experiment Station) -- 628.
Publisher: Agricultural Experiment Station
Published: 1939
Place of publication: Berkeley, Cal
Language: eng
Number of pages: 14
Subjects: Seeds; Onions
Notes: Cover title.

Includes bibliographical references (p. 14).