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History of Smithsonian Catalog
Item Information
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Hofmeister, Richard K.
Sager, John
Radiation and Biology Laboratory.
Smithsonian Environmental Research Center.
Smithsonian Institution -- Employees
Plants
Scientific apparatus and instruments
Photobiology
Botany
Research
Photographic print
Person, candid
John Sager Measuring Lettuce Leaf Area
Catalog:
Historic Images of the Smithsonian
Title:
John Sager Measuring Lettuce Leaf Area
Date:
1980
Author/Creator:
Hofmeister, Richard K.
Contained In:
Smithsonian Institution Archives, Accession 98-016, Box 1, Folder: Research Reports Summer 1980
Summary:
Agricultural engineer John Sager, a researcher at the Smithsonian's Radiation Biology Laboratory, Rockville, MD, measures lettuce leaf area. Sager has been studying the effects of pulsed, or intermittent, light on plant growth in an effort to determine whether plants grow more efficiently with intermittent radiation or with continuous radiation.
Notes:
Smithsonian Institution Research Reports Summer 1980.
The Smithsonian Radiation Biology Laboratory is now part of the Smithsonian Environmental Research Center.
Usage:
Restrictions: No restrictions
Physical_Description:
Number of Images: 1 Color: Black and White; Size: 10w x 8h; Type of Image: Person, candid; Medium: Photographic print
Negative Number:
SIA2011-1160 and 80-2438-26
Ordering Information:
For permission to reproduce or publish, contact osiaref@si.edu or call 202-633-5870. To order reproductions, call 202-633-1933 or contact photos@si.edu.
Digital Reference:
Digital Copies:
SIA2011-1160.tif, 650 dpi
Subject:
Sager, John
Radiation and Biology Laboratory. Division of Radiation and Organisms.
Smithsonian Environmental Research Center. Division of Radiation and Organisms
Smithsonian Institution -- Employees
Plants
Scientific apparatus and instruments
Photobiology
Botany
Research
Form/Genre:
Photographic print
Person, candid
Contact Information:
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
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Historic Images of the Smithsonian
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