For 13 weeks the chosen wheat of California saw the light of twelve argon-filled lamps, 300-candlepower each. Touched by no sun's ray, rooted in no soil, the wheat grew and flourished, drawing sustenance from jars of water in which the necessary chemical elements were dissolved. Although sun was excluded from the green house, the sun rays which contribute to plant growth were present in the electric light rays.
Last week Professor Alva Raymond Davis of the division of agricultural chemistry and Professor Dennis Robert Hoagland of the division of plant nutrition, University of California, pronounced the wheat mature. Not only mature, but...
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