00621naa a2200217 a 450000100080000000500110000800800410001910000190006024501290007926000090020865000170021765000260023465000170026065000120027765000100028965300080029965300130030765300150032070000200033577300480035516048681995-06-27       1983    bl ---       0--  u    #d1 aLETHBRIDGE, G.  aRoot-associatd nitrogen-fixing bacteria and their role in the nitrogen nutrition of wheat estimated by 15N isotope dilution.  c1983  aAzospirillum  aDiluição Isotópica  aInoculação  aMétodo  aTrigo  a15N  aBACILLUS  aDIAZOTROFO1 aDAVIDSON, M. S.  tSoil Biol. Biochem.gv.15, p.365-374, 1983.