Relationships between stable isotope natural abundances (δ<sup>13</sup>C and δ<sup>15</sup>N) and water use efficiency in rice under alternate wetting and drying irrigation in soils with high clay contents.

Front Plant Sci · 2022 · PMC9756853 · PMID 36531393

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an increasing trendno p-value reported

For I 90 , the δ 13 C leaf showed an increasing trend with the elevated soil clay content.

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