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The Effect of Sound on Plant Grwoth

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The effect of continuous sound on the height, growth rate, and percent germination of spring wheat was tested for 3, 5, 7, and 9 kHz at 75 dBA. The wheat was grown in soundproof growth chambers with a 16-hr photoperiod at 170 footcandles. The daytime temperature was 28° C with 78% relative humidity. The nighttime temperature was 24° C with 78% relative humidity. Statistical analysis showed no significant effect of sound on plant height, growth rate, or percent germination. Further experiments with emphasis on sound intensity and temperature interaction are suggested.

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JAES Volume 19 Issue 3 pp. 202-205; March 1971
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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=2190

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AES - Audio Engineering Society