Multi-isotope labelling of organic matter by diffusion of &amp;lt;sup&amp;gt;2&amp;lt;/sup&amp;gt;H/&amp;lt;sup&amp;gt;18&amp;lt;/sup&amp;gt;O-H&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;O vapour and &amp;lt;sup&amp;gt;13&amp;lt;/sup&amp;gt;C-CO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; into the leaves and its distribution within the plant
Biogeosciences