Estimation of phenotypic variability in symbiotic nitrogen fixation ability of common bean under drought stress using <sup>15</sup>N natural abundance in grain.

Eur J Agron · 2016 · PMC4998141 · PMID 27594779

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highly significantno p-value reported

A positive and highly significant correlation was observed between grain yield and nitrogen use efficiency (NUE) under both irrigated and drought conditions ( Table 1 ).

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