00472naa a2200181 a 450000100080000000500110000800800410001910000180006024500730007826000090015165000260016065000170018665000120020365000150021565300080023065300080023877300440024616055291995-06-27       1990    bl ---       0--  u    #d1 aREICHARDT, K.  aSoil spatial variability and symbiotic nitrogen fixation by legumes.  c1990  aDiluição Isotópica  aEstatística  aMétodo  aVicia Faba  a15N  aFBN  tSoil Sci.gv.150, n.3, p.579-587, 1990.