00776naa a2200241 a 450000100080000000500110000800800410001902400550006010000170011524501460013226000090027865000230028765300250031065300150033570000190035070000190036970000180038870000210040670000200042770000170044770000130046477300570047720018542015-02-27 2014 bl uuuu u00u1 u #d7 ahttp:/dx.doi.org./10.1016/soilbio.2014.02.0052DOI1 aCHALK, P. M. aMethodologies for estimating nitrogen transfer between legumes and companion species in agro-ecosystemsba review of 15N-enriched techniques. c2014 aAnalytical methods aIsotopic composition aN transfer1 aPEOPLES, M. B.1 aMCNEILL, A. M.1 aBODDEY, R. M.1 aUNCOVICHI, M. J.1 aGARDENER, M. J.1 aSILVA, C. F.1 aCHEN, D. tSoil Bioloogy & Biochemistrygv. 73, p. 10-21, 2014.