Effect of Rhizobial Strain and Host Plant on Nitrogen Isotopic Fractionation in Legumes

Abstract
Lotus pedunculatus L., Medicago sativa L., Macroptilium atropurpureum, Glycine max, and Trifolium repens L. were grown in a N-free medium and inoculated with one of ten Rhizobium strains. Dry matter, N content, and δ15N values were determined for various plant parts.