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Negative ions in the atmosphere: Possible beneficial effects?

Author

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  • Lips, R.
  • Probert, S.D.
  • Daly, L.

Abstract

In a trial, 10 cucumber plants (Cucumis sativus, variety [`]Virgo' F1 hybrids) were exposed continuously to a concentration of negative air ions exceeding 50 000/c.c. for a period of 40 days. The yield and productivity of the treated plants were compared with those of a control group of 10 plants in a matched-pairs experiment. An Index of Initial Vigour was developed to allow the subsequent production of the previously nursery-grown young plants to be related to their condition at the beginning of the trial. No effect on the total production or productivity at the end of the 40-day period was discerned, but the interim results (e.g. for the 10th day) are consistent with a model of reaction to stress governed by a negative-feedback mechanism. No harmful effects of the use of negatively ionised air were detected.

Suggested Citation

  • Lips, R. & Probert, S.D. & Daly, L., 1987. "Negative ions in the atmosphere: Possible beneficial effects?," Applied Energy, Elsevier, vol. 28(1), pages 1-9.
    • Handle: RePEc:eee:appene:v:28:y:1987:i:1:p:1-9
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