Experiments on the Radiation of Speotrum Colours.
M. Flamniarion, ia course of experiments on the radiation of spectrum colours has made some interesting observations on sensitive plants. Four plants sown the same day and of the same size were placed under glass, excluding respectively all but the red, green and blue rays, the fourth plant being under ordinary white glas3. At the end of six weeks, the " red " plant was twice as high ag any othera ; the " green " came next, then the " white," while the " blue " had not grown the fraction of a centimetre. .- The red plant was healthy, but abnormally nervous, curling up at a breath. The plant kept under white glas3, exposed to the ordinary sun rays, though third in the order of erowfch was vigorous and stout.
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Manawatu Herald, 18 June 1896, Page 2
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130Experiments on the Radiation of Speotrum Colours. Manawatu Herald, 18 June 1896, Page 2
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