00437naa a2200157 a 450000100080000000500110000800800410001910000180006024500890007826000090016765000150017665000160019165000130020765300150022077300440023516175931995-06-27       1992    bl ---       0--  u    #d1 aTHOMAS, R. J.  aThe role of the legume in the nitrogen cycle of productive and sustainable pastures.  c1992  aLeguminosa  aNitrogênio  aPastagem  aFORRAGEIRA  tGrass For. Sci.gv.47, p.133-142, 1992.