00555naa a2200205 a 450000100080000000500110000800800410001910000160006024500880007626000090016465000140017365000230018765000200021065000190023065000160024965300080026570000170027370000180029077300410030816050061995-06-27       1992    bl ---       0--  u    #d1 aABBADIE, L.  aIndependence of savanna grasses from soil organic matter for their nitrogen supply.  c1992  aGramínea  aMatéria Orgânica  aMineralização  aNitrificação  aNitrogênio  a15N1 aMARIOTTI, A.1 aMENAUT, J. C.  tEcologygv.73, n.2, p.608-613, 1992.