Water and nitrogen conditions affect the relationships of Delta13C and Delta18O to gas exchange and growth in durum wheat.

J Exp Bot · 2009 · PMC2671614 · PMID 19246596

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a negative trendno p-value reported

However, a negative trend was observed, with higher 18 O enrichment in those genotypes with lower transpiration rates when grown at high N.

also in 4,201 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.