00656naa a2200253 a 450000100080000000500110000800800410001910000190006024500950007926000090017465000080018365000170019165000180020865000140022665000170024065000160025765300150027365300080028865300150029665300120031165300110032370000190033477300490035316024731995-06-27       1980    bl ---       0--  u    #d1 aVAN BERKUM, P.  aEvaluation of nitrogen fixation by bacteria in association with roots of tropical grasses.  c1980  aAra  aAzospirillum  aFotossíntese  aGramínea  aInoculação  aNitrogênio  aDIAZOTROFO  aFBN  aFORRAGEIRA  aREVISAO  aVIA C41 aBOHLOOL, B. B.  tMicrobiol. Rev.gv.44, n.3, p.491-517, 1980.