Le Roy Curtis Johnson

Identifiers

Open LibraryOL4566837A

Top Subjects

Plants, Effect of light on (1)
Douglas fir (1)
Germination (1)
Light, Colored (1)
Light -- Physiological effect (1)

Books by Le Roy Curtis Johnson

Total count: 1

Effect of light quality and periodicity upon germination of Douglas-fir seed (Pseudotsuga menziesii (Mirb.) Franco) and on growth of Douglas-fir seedlings

1965-01-01