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. 2001 Jun 26;98(14):7875–7878. doi: 10.1073/pnas.131572798

Figure 1.

Figure 1

The relationship between N2O emission from wheat leaves (pmol N2O-N m−2⋅s−1) and (A) the change in assimilatory quotient (ΔAQ) when the nitrogen source was shifted from 15NHInline graphic to 15NOInline graphic, or (B) N2O production in the rhizosphere (pmol N2O-N g−1⋅s−1). Shown are the regression lines and the R2 statistic. The rates of N2O emission were normalized by using the log10 transformation.