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Article

Physiological mechanisms influencing plant nitrogen isotope composition.

Trends in plant science - 1 Mar 2001

Evans R D

Abstract excerpt

Whole-plant and leaf nitrogen isotope composition are determined by the isotope ratio of the external nitrogen source and physiological mechanisms within the plant. Whole-plant isotope composition can reflect that of the nitrogen source when plant demand exceeds nitrogen supply. Uptake by mycorrhizae can cause the isotope ratio of the plant to deviate from the source. Intra-plant variation in isotope composition...

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PMID: 11239611
DOI: 10.1016/s1360-1385(01)01889-1

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