Synthetic sunset
Soviet scientists have helped vegetable-growers to double the harvest of tomatoes and cucumbers in hothouses. It has been known for some time that plants get the biggest portion of solar radiation at sunset, so experts have reproduced sunset light in a new spectrum of neon lamps. Under this light cucumbers ripen in three weeks and tomatoes are ripe 45 days earlier than under ordinary conditions. After, many years of experiments, sisjntists have found the best radiati®! intensity and duration.
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Press, 26 April 1984, Page 20
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81Synthetic sunset Press, 26 April 1984, Page 20
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