00475naa a2200169 a 450000100080000000500110000800800410001910000180006024500900007826000090016865000260017765300080020365300120021165300120022370000200023577300500025516085271995-06-27       1986    bl ---       0--  u    #d1 aBODDEY, R. M.  aQuantification of biological nitrogen fixation in field-grown soybeans and groundnut.  c1986  aDiluição Isotópica  a15N  aREVISAO  aUAPNPBS1 aNEVES, M. C. P.  tAn. Acad. Bras. Ci.gv.58, n.3, p.508-, 1986.