Photoperiodism
Subtitle: the value of supplementary illumination and reduction of light on flowering plants in the greenhouse
By: Alex Laurie and G.H. Poesch
Contributors: Poesch, G. H.
Series: Bulletin / Ohio Agricultural Experiment Station -- no. 512; Bulletin (Ohio Agricultural Experiment Station) -- no. 512
Publisher: Ohio Agricultural Experiment Station
Published: 1932
Place of publication: Wooster, Ohio
Language: eng
Number of pages: 42
Subjects: Photoperiodism; Greenhouse management; Plants -- Effect of light on
Notes: Cover title

Bibliography: p. 37-42