Two methods of removing bacteria from hydroponic nutrient solution [ultraviolet (UV) radiation and submicronic filter] were evaluated for efficiency and for their effects on lettuce (Lactuca sativa L.) production. Both methods were effective in removing bacteria; but, at high intensity, the ultraviolet sterilizer significantly inhibited the production of plants grown in the treated solution. Bacterial removal by lower intensity UV or a submicronic filter seemed to promote plant growth slightly, but showed no consistent, statistically significant effect.
CITATION STYLE
Schwartzkopf, S. H., Dudzinski, D., & Minners, R. S. (1987). The effects of nutrient solution sterilization on the growth and yield of hydroponically grown lettuce. HortScience : A Publication of the American Society for Horticultural Science, 22(5), 873–874. https://doi.org/10.21273/hortsci.22.5.873
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