SUPPLEMENTARY LIGHTING FOR RESEARCH GREENHOUSES
1984 ◽
Vol 64
(3)
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pp. 773-779
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Keyword(s):
The growth and development of six plant species were measured under a standardized photosynthetic photon flux density (PPFD) supplied by fluorescent, metal halide, or high-pressure sodium lamps. Overall, plant growth and seed yield were in the order of high-pressure sodium > metal halide > fluorescent. Although the units tested were unable to supply a uniform, high flux density, acceptable plant growth was achieved under the compromise arrangements used.Key words: Fluorescent, metal halide, high pressure sodium, supplementary lighting
1992 ◽
Vol 50
(3)
◽
pp. 197-207
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2017 ◽
Vol 136
(3)
◽
pp. 371-378
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2008 ◽
Vol 20
(5)
◽
pp. 737-742
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2003 ◽
Vol 3
(3)
◽
pp. 172-178
◽
1996 ◽
Vol 83
(3)
◽
pp. 171-180
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