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Stem phosphorus content per stem dry mass

Formal name:  stem phosphorus content per stem dry mass
Local identifier:  TOP502
Synonym Term:  stem P content per dry mass
Related Term:  stem P content
Related Term:  stem P concentration
Definition:  The ratio of the quantity (SEP:quantity) of phosphorus (CHEBI:phosphorus atom) in the stem (PO:stem) to the corresponding stem (PO:stem) mass (PATO:mass) assessed after drying
Formal Unit:  mass unit / mass unit or amount unit / mass unit

Comment:  The quantity of phosphorus 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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