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Growth and yield characteristics of 'Waldmann's Green' leaf lettuce under different photon fluxes from metal halide or incandescent + fluorescent radiationGrowth of 'Waldmann's Green' leaf lettuce under metal halide radiation was compared with that under In = Fl at the same photosynthetic photon flux (920 micromol/s/sq m) to evaluate the influence of lamp type on growth. No differences in leaf dry weight, leaf area, relative growth rate or photosynthesis occurred after 8 days of exposure to these radiation treatments for 20 h/day.
Document ID
19930062472
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0304-4238(88)90036-2
Authors
Knight, Sharon L. (NASA Ames Research Center Moffett Field, CA, United States)
Mitchell, Cary A. (Purdue Univ. West Lafayette, IN, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1988
Publication Information
Publication: Scientia Horticulturae
ISSN: 0304-4238
Subject Category
Life Sciences (General)
Accession Number
93A46469
Funding Number(s)
CONTRACT_GRANT: NCC2-100
Distribution Limits
Public
Copyright
Other

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