Oats may grow better in water depleted in oxygen 18 and deuterium


WHILE growing oats at different temperatures in water of different 18O and deuterium (D) abundances, we noticed that oats grown in Antarctic water in which is depleted in 18O and D by −49‰ and −400‰, relative to standard mean ocean water (SMOW used as a comparative reference in hydrogen and oxygen isotope studies), showed initial growth 1–2 weeks sooner than did oats grown in water containing greater 18O and D concentrations. The oats seemed to grow better in water which was most depleted in the stable isotopes throughout the growth period.


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GLEASON, J., FRIEDMAN, I. Oats may grow better in water depleted in oxygen 18 and deuterium. Nature 256, 305 (1975). https://doi.org/10.1038/256305a0

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