Computer Science
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..20.1901g&link_type=abstract
Advances in Space Research, Volume 20, Issue 10, p. 1901-1904.
Computer Science
1
Scientific paper
Seven growth chamber trials (six replicate trials using 0.035, 0.12, and 0.25 % CO_2 in air and one trial using 0.12, 0.80, and 2.0% CO_2 in air) and three replicate greenhouse trials (0.035, 0.10, 0.18, 0.26, 0.50, and 1.0% CO_2 in air) compare the effects of super-optimal CO_2 on the seed yield, harvest index, and vegetative growth rate of wheat (Triticum aestivum L. cvs. USU-Apogee and Veery-10). Plants in the growth chamber trials were grown hydroponically under fluorescent lamps, while the greenhouse trials were grown under sunlight and high pressure sodium lamps and in soilless media. Plants in the greenhouse trials responded similarly to those in the growth chamber trials; maximum yields occurred near 0.10 and 0.12 % CO_2 and decreased significantly thereafter. This research indicates that the toxic effects of elevated CO_2 are not specific to only one environment and has important implications for the design of bio-regenerative life support systems in space, and for the future of terrestrial agriculture.
Bugbee Bruce
Grotenhuis T.
Reuveni J.
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