00454nam a2200193 a 450000100080000000500110000800800410001910000210006024500410008126000380012230000090016065000110016965000090018065000120018965000190020165000120022065000090023270000190024117588041998-01-28               bl uuuu     u0uu1 u    #d1 aVOLKWEISS, S. J.  aO melhoramento do solo pela calagem.  a[Porto Alegre]: UFRGS, [19--].c0  a30p.  aliming  asoil  asoil pH  aAcidez do Solo  aCalagem  aSolo1 aLUDWICK, A. E.