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Coarse root copper content per coarse root dry mass

Formal name:  coarse root copper content per coarse root dry mass
Local identifier:  TOP398
Synonym Term:  coarse root Cu content per dry mass
Related Term:  coarse root Cu content
Related Term:  coarse root Cu concentration
Definition:  The ratio of the quantity (SEP:quantity) of copper (CHEBI:copper atom) in the coarse root (Def:coarse root) to the corresponding coarse root mass (PATO:mass) assessed after drying
Formal Unit:  mass unit / mass unit or amount unit / mass unit

Comment:  The quantity of copper 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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