00412naa a2200157 a 450000100080000000500110000800800410001910000150006024500580007526000090013365000120014265000160015470000170017070000200018777300470020716018321995-06-27       1979    bl ---       0--  u    #d1 aBARDIN, R.  aMethodological aspects of nitrogen fixation in field.  c1979  aMétodo  aNitrogênio1 aCHALAMET, A.1 aDOMENACH, A. M.  tPhysiol. Veg.gv.17, n.3, p.673-674, 1979.