00746naa a2200241 a 450000100080000000500110000800800410001910000170006024501530007726000090023065300210023965300390026070000150029970000180031470000190033270000160035170000170036770000190038470000220040370000200042570000180044577300410046319081852015-01-27       2011    bl ---       0--  u    #d1 aURQUIAGA, S.  aEvidence from field nitrogen balance and 15 N natrual abundance data for the contribution of biological N2 fixation to Brazilian sugarcane varieties  c2011  aCana-de-açúcar  aFixaçao biológica de nitrogênio1 aXAVIER, R.1 aMORAIS, R. F.1 aBATISTA, R. B.1 aSCHULTZ, N.1 aLEITE, J. M.1 aBARBOSA, K. F.1 aRESENDE, A. S. de1 aALVES, B. J. R.1 aBODDEY, R. M.  tPlant and Soil Online, 22 oct. 2011.