00469naa a2200169 a 450000100080000000500110000800800410001910000190006024500760007926000090015565000170016465000210018165000160020270000140021870000150023277300520024716013801995-06-27       1975    bl ---       0--  u    #d1 aRUSCHEL, A. P.  aNitrogen-15 tracing of N-fixation with soil-grown sugar cane seedlings.  c1975  aBeijerinckia  aCana de Açúcar  aNitrogênio1 aHENIS, Y.1 aSALATI, E.  tSoil Biol. Biochem.gv.7, n.2, p.181-182, 1975.