00649nam a2200217 a 450000100080000000500110000800800410001910000220006024501220008226000200020430000090022449000310023365300240026465300260028865300190031465300190033365300280035265300230038065300190040365300090042210173042001-06-04       2000    bl uuuu     u0uu1 u    #d1 aFREITAS, V.H. de.  aSoil management and conservation for small farmsbstrategies and methods of introduction, technologies and equipment.  aRoma: FAOc2000  a66p.  a(FAO. Soils Bulletin, 77).  aConservacao do solo  aDesenvolvimento rural  aExtensao rural  aManejo do solo  aMicrobacia hidrografica  aPequeno agricultor  aSanta Catarina  aSolo