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Stem wood sodium content per stem wood dry mass

Formal name:  stem wood sodium content per stem wood dry mass
Local identifier:  TOP613
Synonym Term:  stem wood Na content per dry mass
Related Term:  stem wood Na concentration
Related Term:  stem wood Na content
Definition:  The ratio of the quantity (SEP:quantity) of sodium (CHEBI:sodium atom) in the stem wood (PO:stem, PO:secondary xylem) to the corresponding stem wood (PO:stem, PO:secondary xylem) mass (PATO:mass) assessed after drying
Formal Unit:  mass unit / mass unit or amount unit / mass unit

Comment:  The quantity of sodium can be expressed either as a mass (with mass unit, e.g. gram) or as an amount (with amount unit, e.g. mol). The term concentration is polysemic and we suggest to not use it in this context.
Reference:  Eric Garnier, Jens Kattge, Stefan Klotz, Ingolf Kühn, Ulrike Stahl


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